Home / 6,649,906.91-9,975,280.28-2,811,013.47

Finding the Fourth Proportional to 6,649,906.91, 9,975,280.28 and 2,811,013.47

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Solution

The fourth proportional to 6,649,906.91, 9,975,280.28 and 2,811,013.47 is: 4,216,697.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649,906.91 : 9,975,280.28 = 2,811,013.47 : x
  2. Step 2: Convert to fraction form
    6,649,906.91/9,975,280.28 = 2,811,013.47/x
  3. Step 3: Cross multiply
    6,649,906.91x = 9,975,280.28 × 2,811,013.47
  4. Step 4: Simplify right side
    6,649,906.91x = 28,040,647,220,050.31
  5. Step 5: Solve for x
    x = 28,040,647,220,050.31/6,649,906.91
  6. Step 6: Final answer
    x = 4,216,697.71

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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.