Home / 2,663,843.40-3,991,172.40-1,240,981.20

Finding the Fourth Proportional to 2,663,843.40, 3,991,172.40 and 1,240,981.20

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Solution

The fourth proportional to 2,663,843.40, 3,991,172.40 and 1,240,981.20 is: 1,859,332.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663,843.40 : 3,991,172.40 = 1,240,981.20 : x
  2. Step 2: Convert to fraction form
    2,663,843.40/3,991,172.40 = 1,240,981.20/x
  3. Step 3: Cross multiply
    2,663,843.40x = 3,991,172.40 × 1,240,981.20
  4. Step 4: Simplify right side
    2,663,843.40x = 4,952,969,914,358.88
  5. Step 5: Solve for x
    x = 4,952,969,914,358.88/2,663,843.40
  6. Step 6: Final answer
    x = 1,859,332.24

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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.