Home / 3,148,584.61-4,722,649.11-990,227.11

Finding the Fourth Proportional to 3,148,584.61, 4,722,649.11 and 990,227.11

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Solution

The fourth proportional to 3,148,584.61, 4,722,649.11 and 990,227.11 is: 1,485,269.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,584.61 : 4,722,649.11 = 990,227.11 : x
  2. Step 2: Convert to fraction form
    3,148,584.61/4,722,649.11 = 990,227.11/x
  3. Step 3: Cross multiply
    3,148,584.61x = 4,722,649.11 × 990,227.11
  4. Step 4: Simplify right side
    3,148,584.61x = 4,676,495,179,739.37
  5. Step 5: Solve for x
    x = 4,676,495,179,739.37/3,148,584.61
  6. Step 6: Final answer
    x = 1,485,269.02

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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.