Home / 2,835,919.40-4,253,373.90-1,129,919.66

Finding the Fourth Proportional to 2,835,919.40, 4,253,373.90 and 1,129,919.66

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Solution

The fourth proportional to 2,835,919.40, 4,253,373.90 and 1,129,919.66 is: 1,694,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835,919.40 : 4,253,373.90 = 1,129,919.66 : x
  2. Step 2: Convert to fraction form
    2,835,919.40/4,253,373.90 = 1,129,919.66/x
  3. Step 3: Cross multiply
    2,835,919.40x = 4,253,373.90 × 1,129,919.66
  4. Step 4: Simplify right side
    2,835,919.40x = 4,805,970,790,940.87
  5. Step 5: Solve for x
    x = 4,805,970,790,940.87/2,835,919.40
  6. Step 6: Final answer
    x = 1,694,678.20

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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.