Home / 2,078,713.80-3,115,737.90-1,180,585.80

Finding the Fourth Proportional to 2,078,713.80, 3,115,737.90 and 1,180,585.80

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Solution

The fourth proportional to 2,078,713.80, 3,115,737.90 and 1,180,585.80 is: 1,769,553.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,713.80 : 3,115,737.90 = 1,180,585.80 : x
  2. Step 2: Convert to fraction form
    2,078,713.80/3,115,737.90 = 1,180,585.80/x
  3. Step 3: Cross multiply
    2,078,713.80x = 3,115,737.90 × 1,180,585.80
  4. Step 4: Simplify right side
    2,078,713.80x = 3,678,395,921,261.82
  5. Step 5: Solve for x
    x = 3,678,395,921,261.82/2,078,713.80
  6. Step 6: Final answer
    x = 1,769,553.81

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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.