Home / 1,984,981.20-2,739,195-1,079,563.92

Finding the Fourth Proportional to 1,984,981.20, 2,739,195 and 1,079,563.92

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Solution

The fourth proportional to 1,984,981.20, 2,739,195 and 1,079,563.92 is: 1,489,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,981.20 : 2,739,195 = 1,079,563.92 : x
  2. Step 2: Convert to fraction form
    1,984,981.20/2,739,195 = 1,079,563.92/x
  3. Step 3: Cross multiply
    1,984,981.20x = 2,739,195 × 1,079,563.92
  4. Step 4: Simplify right side
    1,984,981.20x = 2,957,136,091,844.40
  5. Step 5: Solve for x
    x = 2,957,136,091,844.40/1,984,981.20
  6. Step 6: Final answer
    x = 1,489,755.21

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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.