Home / 3,445,993.12-4,755,470.64-1,918,067.52

Finding the Fourth Proportional to 3,445,993.12, 4,755,470.64 and 1,918,067.52

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Solution

The fourth proportional to 3,445,993.12, 4,755,470.64 and 1,918,067.52 is: 2,646,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,993.12 : 4,755,470.64 = 1,918,067.52 : x
  2. Step 2: Convert to fraction form
    3,445,993.12/4,755,470.64 = 1,918,067.52/x
  3. Step 3: Cross multiply
    3,445,993.12x = 4,755,470.64 × 1,918,067.52
  4. Step 4: Simplify right side
    3,445,993.12x = 9,121,313,776,897.61
  5. Step 5: Solve for x
    x = 9,121,313,776,897.61/3,445,993.12
  6. Step 6: Final answer
    x = 2,646,933.25

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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.