Home / 3,279,349.30-4,919,715.15-1,385,115.70

Finding the Fourth Proportional to 3,279,349.30, 4,919,715.15 and 1,385,115.70

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Solution

The fourth proportional to 3,279,349.30, 4,919,715.15 and 1,385,115.70 is: 2,077,965.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279,349.30 : 4,919,715.15 = 1,385,115.70 : x
  2. Step 2: Convert to fraction form
    3,279,349.30/4,919,715.15 = 1,385,115.70/x
  3. Step 3: Cross multiply
    3,279,349.30x = 4,919,715.15 × 1,385,115.70
  4. Step 4: Simplify right side
    3,279,349.30x = 6,814,374,693,792.86
  5. Step 5: Solve for x
    x = 6,814,374,693,792.86/3,279,349.30
  6. Step 6: Final answer
    x = 2,077,965.50

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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.