Home / 3,186,229.60-4,778,680.20-1,165,425.40

Finding the Fourth Proportional to 3,186,229.60, 4,778,680.20 and 1,165,425.40

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Solution

The fourth proportional to 3,186,229.60, 4,778,680.20 and 1,165,425.40 is: 1,747,895.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,229.60 : 4,778,680.20 = 1,165,425.40 : x
  2. Step 2: Convert to fraction form
    3,186,229.60/4,778,680.20 = 1,165,425.40/x
  3. Step 3: Cross multiply
    3,186,229.60x = 4,778,680.20 × 1,165,425.40
  4. Step 4: Simplify right side
    3,186,229.60x = 5,569,195,283,557.08
  5. Step 5: Solve for x
    x = 5,569,195,283,557.08/3,186,229.60
  6. Step 6: Final answer
    x = 1,747,895.16

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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.