Home / 3,145,104.90-4,338,471.34-1,887,470.76

Finding the Fourth Proportional to 3,145,104.90, 4,338,471.34 and 1,887,470.76

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Solution

The fourth proportional to 3,145,104.90, 4,338,471.34 and 1,887,470.76 is: 2,603,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,104.90 : 4,338,471.34 = 1,887,470.76 : x
  2. Step 2: Convert to fraction form
    3,145,104.90/4,338,471.34 = 1,887,470.76/x
  3. Step 3: Cross multiply
    3,145,104.90x = 4,338,471.34 × 1,887,470.76
  4. Step 4: Simplify right side
    3,145,104.90x = 8,188,737,797,348.02
  5. Step 5: Solve for x
    x = 8,188,737,797,348.02/3,145,104.90
  6. Step 6: Final answer
    x = 2,603,645.37

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1.5x scale

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.