Home / 3,074,002.20-4,611,003.30-2,985,428.70

Finding the Fourth Proportional to 3,074,002.20, 4,611,003.30 and 2,985,428.70

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Solution

The fourth proportional to 3,074,002.20, 4,611,003.30 and 2,985,428.70 is: 4,478,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074,002.20 : 4,611,003.30 = 2,985,428.70 : x
  2. Step 2: Convert to fraction form
    3,074,002.20/4,611,003.30 = 2,985,428.70/x
  3. Step 3: Cross multiply
    3,074,002.20x = 4,611,003.30 × 2,985,428.70
  4. Step 4: Simplify right side
    3,074,002.20x = 13,765,821,587,614.71
  5. Step 5: Solve for x
    x = 13,765,821,587,614.71/3,074,002.20
  6. Step 6: Final answer
    x = 4,478,143.05

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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.