Home / 3,830,400-5,285,988.45-2,111,582.16

Finding the Fourth Proportional to 3,830,400, 5,285,988.45 and 2,111,582.16

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Solution

The fourth proportional to 3,830,400, 5,285,988.45 and 2,111,582.16 is: 2,914,003.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,400 : 5,285,988.45 = 2,111,582.16 : x
  2. Step 2: Convert to fraction form
    3,830,400/5,285,988.45 = 2,111,582.16/x
  3. Step 3: Cross multiply
    3,830,400x = 5,285,988.45 × 2,111,582.16
  4. Step 4: Simplify right side
    3,830,400x = 11,161,798,908,986.05
  5. Step 5: Solve for x
    x = 11,161,798,908,986.05/3,830,400
  6. Step 6: Final answer
    x = 2,914,003.47

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1.5x scale

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.