Home / 2,636,718.95-3,955,446.07-815,232.60

Finding the Fourth Proportional to 2,636,718.95, 3,955,446.07 and 815,232.60

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Solution

The fourth proportional to 2,636,718.95, 3,955,446.07 and 815,232.60 is: 1,222,962.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636,718.95 : 3,955,446.07 = 815,232.60 : x
  2. Step 2: Convert to fraction form
    2,636,718.95/3,955,446.07 = 815,232.60/x
  3. Step 3: Cross multiply
    2,636,718.95x = 3,955,446.07 × 815,232.60
  4. Step 4: Simplify right side
    2,636,718.95x = 3,224,608,581,767.80
  5. Step 5: Solve for x
    x = 3,224,608,581,767.80/2,636,718.95
  6. Step 6: Final answer
    x = 1,222,962.57

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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.