Home / 2,915,350.12-4,023,156.18-1,608,614.20

Finding the Fourth Proportional to 2,915,350.12, 4,023,156.18 and 1,608,614.20

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Solution

The fourth proportional to 2,915,350.12, 4,023,156.18 and 1,608,614.20 is: 2,219,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,350.12 : 4,023,156.18 = 1,608,614.20 : x
  2. Step 2: Convert to fraction form
    2,915,350.12/4,023,156.18 = 1,608,614.20/x
  3. Step 3: Cross multiply
    2,915,350.12x = 4,023,156.18 × 1,608,614.20
  4. Step 4: Simplify right side
    2,915,350.12x = 6,471,706,159,965.76
  5. Step 5: Solve for x
    x = 6,471,706,159,965.76/2,915,350.12
  6. Step 6: Final answer
    x = 2,219,872.71

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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.