Home / 2,131,400.18-3,199,376.27-917,577.52

Finding the Fourth Proportional to 2,131,400.18, 3,199,376.27 and 917,577.52

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Solution

The fourth proportional to 2,131,400.18, 3,199,376.27 and 917,577.52 is: 1,377,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,400.18 : 3,199,376.27 = 917,577.52 : x
  2. Step 2: Convert to fraction form
    2,131,400.18/3,199,376.27 = 917,577.52/x
  3. Step 3: Cross multiply
    2,131,400.18x = 3,199,376.27 × 917,577.52
  4. Step 4: Simplify right side
    2,131,400.18x = 2,935,675,737,668.95
  5. Step 5: Solve for x
    x = 2,935,675,737,668.95/2,131,400.18
  6. Step 6: Final answer
    x = 1,377,346.10

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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.