Home / 3,478,937.12-4,801,458-2,121,597.44

Finding the Fourth Proportional to 3,478,937.12, 4,801,458 and 2,121,597.44

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Solution

The fourth proportional to 3,478,937.12, 4,801,458 and 2,121,597.44 is: 2,928,124.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,937.12 : 4,801,458 = 2,121,597.44 : x
  2. Step 2: Convert to fraction form
    3,478,937.12/4,801,458 = 2,121,597.44/x
  3. Step 3: Cross multiply
    3,478,937.12x = 4,801,458 × 2,121,597.44
  4. Step 4: Simplify right side
    3,478,937.12x = 10,186,761,001,067.52
  5. Step 5: Solve for x
    x = 10,186,761,001,067.52/3,478,937.12
  6. Step 6: Final answer
    x = 2,928,124.50

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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.