Home / 4,925,105.20-7,387,657.80-1,729,169.20

Finding the Fourth Proportional to 4,925,105.20, 7,387,657.80 and 1,729,169.20

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Solution

The fourth proportional to 4,925,105.20, 7,387,657.80 and 1,729,169.20 is: 2,593,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,925,105.20 : 7,387,657.80 = 1,729,169.20 : x
  2. Step 2: Convert to fraction form
    4,925,105.20/7,387,657.80 = 1,729,169.20/x
  3. Step 3: Cross multiply
    4,925,105.20x = 7,387,657.80 × 1,729,169.20
  4. Step 4: Simplify right side
    4,925,105.20x = 12,774,510,327,899.76
  5. Step 5: Solve for x
    x = 12,774,510,327,899.76/4,925,105.20
  6. Step 6: Final answer
    x = 2,593,753.80

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Similar ratio
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1.5x scale

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.