Home / 2,990,182.28-4,126,185.41-1,665,504.61

Finding the Fourth Proportional to 2,990,182.28, 4,126,185.41 and 1,665,504.61

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Solution

The fourth proportional to 2,990,182.28, 4,126,185.41 and 1,665,504.61 is: 2,298,248.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,182.28 : 4,126,185.41 = 1,665,504.61 : x
  2. Step 2: Convert to fraction form
    2,990,182.28/4,126,185.41 = 1,665,504.61/x
  3. Step 3: Cross multiply
    2,990,182.28x = 4,126,185.41 × 1,665,504.61
  4. Step 4: Simplify right side
    2,990,182.28x = 6,872,180,803,426.75
  5. Step 5: Solve for x
    x = 6,872,180,803,426.75/2,990,182.28
  6. Step 6: Final answer
    x = 2,298,248.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.