Home / 1,753,273.10-2,629,909.65-1,438,085.90

Finding the Fourth Proportional to 1,753,273.10, 2,629,909.65 and 1,438,085.90

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Solution

The fourth proportional to 1,753,273.10, 2,629,909.65 and 1,438,085.90 is: 2,157,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,273.10 : 2,629,909.65 = 1,438,085.90 : x
  2. Step 2: Convert to fraction form
    1,753,273.10/2,629,909.65 = 1,438,085.90/x
  3. Step 3: Cross multiply
    1,753,273.10x = 2,629,909.65 × 1,438,085.90
  4. Step 4: Simplify right side
    1,753,273.10x = 3,782,035,985,938.93
  5. Step 5: Solve for x
    x = 3,782,035,985,938.93/1,753,273.10
  6. Step 6: Final answer
    x = 2,157,128.85

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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.