Home / 1,565,269.92-2,158,954.56-1,436,625.72

Finding the Fourth Proportional to 1,565,269.92, 2,158,954.56 and 1,436,625.72

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Solution

The fourth proportional to 1,565,269.92, 2,158,954.56 and 1,436,625.72 is: 1,981,517.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,269.92 : 2,158,954.56 = 1,436,625.72 : x
  2. Step 2: Convert to fraction form
    1,565,269.92/2,158,954.56 = 1,436,625.72/x
  3. Step 3: Cross multiply
    1,565,269.92x = 2,158,954.56 × 1,436,625.72
  4. Step 4: Simplify right side
    1,565,269.92x = 3,101,609,649,207.28
  5. Step 5: Solve for x
    x = 3,101,609,649,207.28/1,565,269.92
  6. Step 6: Final answer
    x = 1,981,517.44

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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.