Home / 3,948,126.40-5,448,431.84-2,137,290.40

Finding the Fourth Proportional to 3,948,126.40, 5,448,431.84 and 2,137,290.40

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Solution

The fourth proportional to 3,948,126.40, 5,448,431.84 and 2,137,290.40 is: 2,949,470.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,126.40 : 5,448,431.84 = 2,137,290.40 : x
  2. Step 2: Convert to fraction form
    3,948,126.40/5,448,431.84 = 2,137,290.40/x
  3. Step 3: Cross multiply
    3,948,126.40x = 5,448,431.84 × 2,137,290.40
  4. Step 4: Simplify right side
    3,948,126.40x = 11,644,881,066,686.34
  5. Step 5: Solve for x
    x = 11,644,881,066,686.34/3,948,126.40
  6. Step 6: Final answer
    x = 2,949,470.18

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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.