Home / 1,981,744.32-2,734,715.61-1,122,310.77

Finding the Fourth Proportional to 1,981,744.32, 2,734,715.61 and 1,122,310.77

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Solution

The fourth proportional to 1,981,744.32, 2,734,715.61 and 1,122,310.77 is: 1,548,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,744.32 : 2,734,715.61 = 1,122,310.77 : x
  2. Step 2: Convert to fraction form
    1,981,744.32/2,734,715.61 = 1,122,310.77/x
  3. Step 3: Cross multiply
    1,981,744.32x = 2,734,715.61 × 1,122,310.77
  4. Step 4: Simplify right side
    1,981,744.32x = 3,069,200,781,990.12
  5. Step 5: Solve for x
    x = 3,069,200,781,990.12/1,981,744.32
  6. Step 6: Final answer
    x = 1,548,737.01

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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.