Home / 3,180,719.31-4,389,411.72-1,730,425.12

Finding the Fourth Proportional to 3,180,719.31, 4,389,411.72 and 1,730,425.12

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Solution

The fourth proportional to 3,180,719.31, 4,389,411.72 and 1,730,425.12 is: 2,387,997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,719.31 : 4,389,411.72 = 1,730,425.12 : x
  2. Step 2: Convert to fraction form
    3,180,719.31/4,389,411.72 = 1,730,425.12/x
  3. Step 3: Cross multiply
    3,180,719.31x = 4,389,411.72 × 1,730,425.12
  4. Step 4: Simplify right side
    3,180,719.31x = 7,595,548,302,310.41
  5. Step 5: Solve for x
    x = 7,595,548,302,310.41/3,180,719.31
  6. Step 6: Final answer
    x = 2,387,997.04

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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.