Home / 3,990,453.20-5,988,064.20-1,466,363.60

Finding the Fourth Proportional to 3,990,453.20, 5,988,064.20 and 1,466,363.60

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Solution

The fourth proportional to 3,990,453.20, 5,988,064.20 and 1,466,363.60 is: 2,200,421.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,453.20 : 5,988,064.20 = 1,466,363.60 : x
  2. Step 2: Convert to fraction form
    3,990,453.20/5,988,064.20 = 1,466,363.60/x
  3. Step 3: Cross multiply
    3,990,453.20x = 5,988,064.20 × 1,466,363.60
  4. Step 4: Simplify right side
    3,990,453.20x = 8,780,679,377,343.12
  5. Step 5: Solve for x
    x = 8,780,679,377,343.12/3,990,453.20
  6. Step 6: Final answer
    x = 2,200,421.59

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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.