Home / 2,005,700.70-2,766,449.79-1,242,000.30

Finding the Fourth Proportional to 2,005,700.70, 2,766,449.79 and 1,242,000.30

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Solution

The fourth proportional to 2,005,700.70, 2,766,449.79 and 1,242,000.30 is: 1,713,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,700.70 : 2,766,449.79 = 1,242,000.30 : x
  2. Step 2: Convert to fraction form
    2,005,700.70/2,766,449.79 = 1,242,000.30/x
  3. Step 3: Cross multiply
    2,005,700.70x = 2,766,449.79 × 1,242,000.30
  4. Step 4: Simplify right side
    2,005,700.70x = 3,435,931,469,114.94
  5. Step 5: Solve for x
    x = 3,435,931,469,114.94/2,005,700.70
  6. Step 6: Final answer
    x = 1,713,082.85

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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.