Home / 1,753,281.10-2,629,921.65-1,438,093.90

Finding the Fourth Proportional to 1,753,281.10, 2,629,921.65 and 1,438,093.90

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Solution

The fourth proportional to 1,753,281.10, 2,629,921.65 and 1,438,093.90 is: 2,157,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,281.10 : 2,629,921.65 = 1,438,093.90 : x
  2. Step 2: Convert to fraction form
    1,753,281.10/2,629,921.65 = 1,438,093.90/x
  3. Step 3: Cross multiply
    1,753,281.10x = 2,629,921.65 × 1,438,093.90
  4. Step 4: Simplify right side
    1,753,281.10x = 3,782,074,282,342.93
  5. Step 5: Solve for x
    x = 3,782,074,282,342.93/1,753,281.10
  6. Step 6: Final answer
    x = 2,157,140.85

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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.