Home / 3,111,399.20-4,661,569.20-2,669,031.20

Finding the Fourth Proportional to 3,111,399.20, 4,661,569.20 and 2,669,031.20

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Solution

The fourth proportional to 3,111,399.20, 4,661,569.20 and 2,669,031.20 is: 3,998,803.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,399.20 : 4,661,569.20 = 2,669,031.20 : x
  2. Step 2: Convert to fraction form
    3,111,399.20/4,661,569.20 = 2,669,031.20/x
  3. Step 3: Cross multiply
    3,111,399.20x = 4,661,569.20 × 2,669,031.20
  4. Step 4: Simplify right side
    3,111,399.20x = 12,441,873,635,759.04
  5. Step 5: Solve for x
    x = 12,441,873,635,759.04/3,111,399.20
  6. Step 6: Final answer
    x = 3,998,803.38

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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.