Home / 3,936,899.13-5,432,920.76-2,126,063.13

Finding the Fourth Proportional to 3,936,899.13, 5,432,920.76 and 2,126,063.13

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Solution

The fourth proportional to 3,936,899.13, 5,432,920.76 and 2,126,063.13 is: 2,933,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,899.13 : 5,432,920.76 = 2,126,063.13 : x
  2. Step 2: Convert to fraction form
    3,936,899.13/5,432,920.76 = 2,126,063.13/x
  3. Step 3: Cross multiply
    3,936,899.13x = 5,432,920.76 × 2,126,063.13
  4. Step 4: Simplify right side
    3,936,899.13x = 11,550,732,500,989.29
  5. Step 5: Solve for x
    x = 11,550,732,500,989.29/3,936,899.13
  6. Step 6: Final answer
    x = 2,933,967.10

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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.