Home / 4,927,198.90-7,398,401.55-2,687,710.90

Finding the Fourth Proportional to 4,927,198.90, 7,398,401.55 and 2,687,710.90

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Solution

The fourth proportional to 4,927,198.90, 7,398,401.55 and 2,687,710.90 is: 4,035,713.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927,198.90 : 7,398,401.55 = 2,687,710.90 : x
  2. Step 2: Convert to fraction form
    4,927,198.90/7,398,401.55 = 2,687,710.90/x
  3. Step 3: Cross multiply
    4,927,198.90x = 7,398,401.55 × 2,687,710.90
  4. Step 4: Simplify right side
    4,927,198.90x = 19,884,764,488,511.89
  5. Step 5: Solve for x
    x = 19,884,764,488,511.89/4,927,198.90
  6. Step 6: Final answer
    x = 4,035,713.78

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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.