Home / 2,991,000.30-4,486,500.45-2,790,233.70

Finding the Fourth Proportional to 2,991,000.30, 4,486,500.45 and 2,790,233.70

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Solution

The fourth proportional to 2,991,000.30, 4,486,500.45 and 2,790,233.70 is: 4,185,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,000.30 : 4,486,500.45 = 2,790,233.70 : x
  2. Step 2: Convert to fraction form
    2,991,000.30/4,486,500.45 = 2,790,233.70/x
  3. Step 3: Cross multiply
    2,991,000.30x = 4,486,500.45 × 2,790,233.70
  4. Step 4: Simplify right side
    2,991,000.30x = 12,518,384,750,655.17
  5. Step 5: Solve for x
    x = 12,518,384,750,655.17/2,991,000.30
  6. Step 6: Final answer
    x = 4,185,350.55

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1.5x scale

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.