Home / 2,877,144.16-3,970,176.24-1,587,901.28

Finding the Fourth Proportional to 2,877,144.16, 3,970,176.24 and 1,587,901.28

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Solution

The fourth proportional to 2,877,144.16, 3,970,176.24 and 1,587,901.28 is: 2,191,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,144.16 : 3,970,176.24 = 1,587,901.28 : x
  2. Step 2: Convert to fraction form
    2,877,144.16/3,970,176.24 = 1,587,901.28/x
  3. Step 3: Cross multiply
    2,877,144.16x = 3,970,176.24 × 1,587,901.28
  4. Step 4: Simplify right side
    2,877,144.16x = 6,304,247,933,321.59
  5. Step 5: Solve for x
    x = 6,304,247,933,321.59/2,877,144.16
  6. Step 6: Final answer
    x = 2,191,147.74

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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.