Home / 2,131,570.60-3,199,630.98-917,747.93

Finding the Fourth Proportional to 2,131,570.60, 3,199,630.98 and 917,747.93

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Solution

The fourth proportional to 2,131,570.60, 3,199,630.98 and 917,747.93 is: 1,377,601.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,570.60 : 3,199,630.98 = 917,747.93 : x
  2. Step 2: Convert to fraction form
    2,131,570.60/3,199,630.98 = 917,747.93/x
  3. Step 3: Cross multiply
    2,131,570.60x = 3,199,630.98 × 917,747.93
  4. Step 4: Simplify right side
    2,131,570.60x = 2,936,454,708,658.87
  5. Step 5: Solve for x
    x = 2,936,454,708,658.87/2,131,570.60
  6. Step 6: Final answer
    x = 1,377,601.43

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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.