Home / 2,861,353.84-3,948,908.88-1,572,451.60

Finding the Fourth Proportional to 2,861,353.84, 3,948,908.88 and 1,572,451.60

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Solution

The fourth proportional to 2,861,353.84, 3,948,908.88 and 1,572,451.60 is: 2,170,115.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,353.84 : 3,948,908.88 = 1,572,451.60 : x
  2. Step 2: Convert to fraction form
    2,861,353.84/3,948,908.88 = 1,572,451.60/x
  3. Step 3: Cross multiply
    2,861,353.84x = 3,948,908.88 × 1,572,451.60
  4. Step 4: Simplify right side
    2,861,353.84x = 6,209,468,086,610.21
  5. Step 5: Solve for x
    x = 6,209,468,086,610.21/2,861,353.84
  6. Step 6: Final answer
    x = 2,170,115.42

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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.