Home / 2,636,752.76-3,955,508.15-815,259.75

Finding the Fourth Proportional to 2,636,752.76, 3,955,508.15 and 815,259.75

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Solution

The fourth proportional to 2,636,752.76, 3,955,508.15 and 815,259.75 is: 1,223,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636,752.76 : 3,955,508.15 = 815,259.75 : x
  2. Step 2: Convert to fraction form
    2,636,752.76/3,955,508.15 = 815,259.75/x
  3. Step 3: Cross multiply
    2,636,752.76x = 3,955,508.15 × 815,259.75
  4. Step 4: Simplify right side
    2,636,752.76x = 3,224,766,561,638.12
  5. Step 5: Solve for x
    x = 3,224,766,561,638.12/2,636,752.76
  6. Step 6: Final answer
    x = 1,223,006.80

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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.