Home / 2,639,743.13-3,642,845.52-1,432,519.13

Finding the Fourth Proportional to 2,639,743.13, 3,642,845.52 and 1,432,519.13

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Solution

The fourth proportional to 2,639,743.13, 3,642,845.52 and 1,432,519.13 is: 1,976,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,743.13 : 3,642,845.52 = 1,432,519.13 : x
  2. Step 2: Convert to fraction form
    2,639,743.13/3,642,845.52 = 1,432,519.13/x
  3. Step 3: Cross multiply
    2,639,743.13x = 3,642,845.52 × 1,432,519.13
  4. Step 4: Simplify right side
    2,639,743.13x = 5,218,445,876,820.57
  5. Step 5: Solve for x
    x = 5,218,445,876,820.57/2,639,743.13
  6. Step 6: Final answer
    x = 1,976,876.40

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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.