Home / 5,387,422.61-7,434,799.97-2,940,191.07

Finding the Fourth Proportional to 5,387,422.61, 7,434,799.97 and 2,940,191.07

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Solution

The fourth proportional to 5,387,422.61, 7,434,799.97 and 2,940,191.07 is: 4,057,549.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,422.61 : 7,434,799.97 = 2,940,191.07 : x
  2. Step 2: Convert to fraction form
    5,387,422.61/7,434,799.97 = 2,940,191.07/x
  3. Step 3: Cross multiply
    5,387,422.61x = 7,434,799.97 × 2,940,191.07
  4. Step 4: Simplify right side
    5,387,422.61x = 21,859,732,464,329.31
  5. Step 5: Solve for x
    x = 21,859,732,464,329.31/5,387,422.61
  6. Step 6: Final answer
    x = 4,057,549.23

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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.