Home / 3,830,345.19-5,285,912.28-2,111,527.20

Finding the Fourth Proportional to 3,830,345.19, 5,285,912.28 and 2,111,527.20

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Solution

The fourth proportional to 3,830,345.19, 5,285,912.28 and 2,111,527.20 is: 2,913,927.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,345.19 : 5,285,912.28 = 2,111,527.20 : x
  2. Step 2: Convert to fraction form
    3,830,345.19/5,285,912.28 = 2,111,527.20/x
  3. Step 3: Cross multiply
    3,830,345.19x = 5,285,912.28 × 2,111,527.20
  4. Step 4: Simplify right side
    3,830,345.19x = 11,161,347,556,034.02
  5. Step 5: Solve for x
    x = 11,161,347,556,034.02/3,830,345.19
  6. Step 6: Final answer
    x = 2,913,927.34

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Double scale
Find fourth proportional to 3,830,346.19, 5,285,913.66 and 2,111,528.20
Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.