Home / 5,426,979.13-7,489,245.94-2,979,748.69

Finding the Fourth Proportional to 5,426,979.13, 7,489,245.94 and 2,979,748.69

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Solution

The fourth proportional to 5,426,979.13, 7,489,245.94 and 2,979,748.69 is: 4,112,061.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,979.13 : 7,489,245.94 = 2,979,748.69 : x
  2. Step 2: Convert to fraction form
    5,426,979.13/7,489,245.94 = 2,979,748.69/x
  3. Step 3: Cross multiply
    5,426,979.13x = 7,489,245.94 × 2,979,748.69
  4. Step 4: Simplify right side
    5,426,979.13x = 22,316,070,752,630.33
  5. Step 5: Solve for x
    x = 22,316,070,752,630.33/5,426,979.13
  6. Step 6: Final answer
    x = 4,112,061.28

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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.