Home / 2,412,897.28-3,619,342.87-615,780.80

Finding the Fourth Proportional to 2,412,897.28, 3,619,342.87 and 615,780.80

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Solution

The fourth proportional to 2,412,897.28, 3,619,342.87 and 615,780.80 is: 923,670.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412,897.28 : 3,619,342.87 = 615,780.80 : x
  2. Step 2: Convert to fraction form
    2,412,897.28/3,619,342.87 = 615,780.80/x
  3. Step 3: Cross multiply
    2,412,897.28x = 3,619,342.87 × 615,780.80
  4. Step 4: Simplify right side
    2,412,897.28x = 2,228,721,847,962.90
  5. Step 5: Solve for x
    x = 2,228,721,847,962.90/2,412,897.28
  6. Step 6: Final answer
    x = 923,670.42

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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.