Home / 2,556,784.28-3,830,230.65-2,141,523.20

Finding the Fourth Proportional to 2,556,784.28, 3,830,230.65 and 2,141,523.20

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Solution

The fourth proportional to 2,556,784.28, 3,830,230.65 and 2,141,523.20 is: 3,208,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,784.28 : 3,830,230.65 = 2,141,523.20 : x
  2. Step 2: Convert to fraction form
    2,556,784.28/3,830,230.65 = 2,141,523.20/x
  3. Step 3: Cross multiply
    2,556,784.28x = 3,830,230.65 × 2,141,523.20
  4. Step 4: Simplify right side
    2,556,784.28x = 8,202,527,798,326.08
  5. Step 5: Solve for x
    x = 8,202,527,798,326.08/2,556,784.28
  6. Step 6: Final answer
    x = 3,208,142.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.