Home / 2,777,776.76-4,158,363.62-1,680,240.11

Finding the Fourth Proportional to 2,777,776.76, 4,158,363.62 and 1,680,240.11

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Solution

The fourth proportional to 2,777,776.76, 4,158,363.62 and 1,680,240.11 is: 2,515,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,776.76 : 4,158,363.62 = 1,680,240.11 : x
  2. Step 2: Convert to fraction form
    2,777,776.76/4,158,363.62 = 1,680,240.11/x
  3. Step 3: Cross multiply
    2,777,776.76x = 4,158,363.62 × 1,680,240.11
  4. Step 4: Simplify right side
    2,777,776.76x = 6,987,049,346,288.80
  5. Step 5: Solve for x
    x = 6,987,049,346,288.80/2,777,776.76
  6. Step 6: Final answer
    x = 2,515,338.69

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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.