Home / 3,949,007.40-5,923,511.10-3,311,278.20

Finding the Fourth Proportional to 3,949,007.40, 5,923,511.10 and 3,311,278.20

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Solution

The fourth proportional to 3,949,007.40, 5,923,511.10 and 3,311,278.20 is: 4,966,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949,007.40 : 5,923,511.10 = 3,311,278.20 : x
  2. Step 2: Convert to fraction form
    3,949,007.40/5,923,511.10 = 3,311,278.20/x
  3. Step 3: Cross multiply
    3,949,007.40x = 5,923,511.10 × 3,311,278.20
  4. Step 4: Simplify right side
    3,949,007.40x = 19,614,393,172,888.02
  5. Step 5: Solve for x
    x = 19,614,393,172,888.02/3,949,007.40
  6. Step 6: Final answer
    x = 4,966,917.30

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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.