Home / 2,129,470.72-3,193,520.64-709,145.44

Finding the Fourth Proportional to 2,129,470.72, 3,193,520.64 and 709,145.44

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Solution

The fourth proportional to 2,129,470.72, 3,193,520.64 and 709,145.44 is: 1,063,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,470.72 : 3,193,520.64 = 709,145.44 : x
  2. Step 2: Convert to fraction form
    2,129,470.72/3,193,520.64 = 709,145.44/x
  3. Step 3: Cross multiply
    2,129,470.72x = 3,193,520.64 × 709,145.44
  4. Step 4: Simplify right side
    2,129,470.72x = 2,264,670,599,401.88
  5. Step 5: Solve for x
    x = 2,264,670,599,401.88/2,129,470.72
  6. Step 6: Final answer
    x = 1,063,489.90

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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.