Home / 2,132,486.70-3,198,895.17-712,547.70

Finding the Fourth Proportional to 2,132,486.70, 3,198,895.17 and 712,547.70

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Solution

The fourth proportional to 2,132,486.70, 3,198,895.17 and 712,547.70 is: 1,068,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,486.70 : 3,198,895.17 = 712,547.70 : x
  2. Step 2: Convert to fraction form
    2,132,486.70/3,198,895.17 = 712,547.70/x
  3. Step 3: Cross multiply
    2,132,486.70x = 3,198,895.17 × 712,547.70
  4. Step 4: Simplify right side
    2,132,486.70x = 2,279,365,395,924.61
  5. Step 5: Solve for x
    x = 2,279,365,395,924.61/2,132,486.70
  6. Step 6: Final answer
    x = 1,068,876.72

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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.