Home / 6,920,769.30-10,378,043.55-2,659,521.30

Finding the Fourth Proportional to 6,920,769.30, 10,378,043.55 and 2,659,521.30

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Solution

The fourth proportional to 6,920,769.30, 10,378,043.55 and 2,659,521.30 is: 3,988,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,769.30 : 10,378,043.55 = 2,659,521.30 : x
  2. Step 2: Convert to fraction form
    6,920,769.30/10,378,043.55 = 2,659,521.30/x
  3. Step 3: Cross multiply
    6,920,769.30x = 10,378,043.55 × 2,659,521.30
  4. Step 4: Simplify right side
    6,920,769.30x = 27,600,627,873,552.61
  5. Step 5: Solve for x
    x = 27,600,627,873,552.61/6,920,769.30
  6. Step 6: Final answer
    x = 3,988,086.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.