Home / 3,478,234.30-5,215,018.65-1,584,000.70

Finding the Fourth Proportional to 3,478,234.30, 5,215,018.65 and 1,584,000.70

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Solution

The fourth proportional to 3,478,234.30, 5,215,018.65 and 1,584,000.70 is: 2,374,938.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,234.30 : 5,215,018.65 = 1,584,000.70 : x
  2. Step 2: Convert to fraction form
    3,478,234.30/5,215,018.65 = 1,584,000.70/x
  3. Step 3: Cross multiply
    3,478,234.30x = 5,215,018.65 × 1,584,000.70
  4. Step 4: Simplify right side
    3,478,234.30x = 8,260,593,192,113.06
  5. Step 5: Solve for x
    x = 8,260,593,192,113.06/3,478,234.30
  6. Step 6: Final answer
    x = 2,374,938.68

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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.