Home / 2,479,153.50-3,720,723.12-1,281,426.66

Finding the Fourth Proportional to 2,479,153.50, 3,720,723.12 and 1,281,426.66

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Solution

The fourth proportional to 2,479,153.50, 3,720,723.12 and 1,281,426.66 is: 1,923,170.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,153.50 : 3,720,723.12 = 1,281,426.66 : x
  2. Step 2: Convert to fraction form
    2,479,153.50/3,720,723.12 = 1,281,426.66/x
  3. Step 3: Cross multiply
    2,479,153.50x = 3,720,723.12 × 1,281,426.66
  4. Step 4: Simplify right side
    2,479,153.50x = 4,767,833,800,446.38
  5. Step 5: Solve for x
    x = 4,767,833,800,446.38/2,479,153.50
  6. Step 6: Final answer
    x = 1,923,170.07

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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.