Home / 3,948,285.80-5,448,636.42-2,137,449.80

Finding the Fourth Proportional to 3,948,285.80, 5,448,636.42 and 2,137,449.80

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Solution

The fourth proportional to 3,948,285.80, 5,448,636.42 and 2,137,449.80 is: 2,949,681.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,285.80 : 5,448,636.42 = 2,137,449.80 : x
  2. Step 2: Convert to fraction form
    3,948,285.80/5,448,636.42 = 2,137,449.80/x
  3. Step 3: Cross multiply
    3,948,285.80x = 5,448,636.42 × 2,137,449.80
  4. Step 4: Simplify right side
    3,948,285.80x = 11,646,186,826,201.71
  5. Step 5: Solve for x
    x = 11,646,186,826,201.71/3,948,285.80
  6. Step 6: Final answer
    x = 2,949,681.82

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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.