Home / 2,636,724.08-3,955,453.76-815,237.73

Finding the Fourth Proportional to 2,636,724.08, 3,955,453.76 and 815,237.73

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Solution

The fourth proportional to 2,636,724.08, 3,955,453.76 and 815,237.73 is: 1,222,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636,724.08 : 3,955,453.76 = 815,237.73 : x
  2. Step 2: Convert to fraction form
    2,636,724.08/3,955,453.76 = 815,237.73/x
  3. Step 3: Cross multiply
    2,636,724.08x = 3,955,453.76 × 815,237.73
  4. Step 4: Simplify right side
    2,636,724.08x = 3,224,635,120,568.91
  5. Step 5: Solve for x
    x = 3,224,635,120,568.91/2,636,724.08
  6. Step 6: Final answer
    x = 1,222,970.26

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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.