Home / 3,948,065.40-5,448,347.64-2,137,229.40

Finding the Fourth Proportional to 3,948,065.40, 5,448,347.64 and 2,137,229.40

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Solution

The fourth proportional to 3,948,065.40, 5,448,347.64 and 2,137,229.40 is: 2,949,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,065.40 : 5,448,347.64 = 2,137,229.40 : x
  2. Step 2: Convert to fraction form
    3,948,065.40/5,448,347.64 = 2,137,229.40/x
  3. Step 3: Cross multiply
    3,948,065.40x = 5,448,347.64 × 2,137,229.40
  4. Step 4: Simplify right side
    3,948,065.40x = 11,644,368,757,628.62
  5. Step 5: Solve for x
    x = 11,644,368,757,628.62/3,948,065.40
  6. Step 6: Final answer
    x = 2,949,385.98

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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.