Home / 3,438,695.61-4,745,449.04-1,890,100.46

Finding the Fourth Proportional to 3,438,695.61, 4,745,449.04 and 1,890,100.46

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Solution

The fourth proportional to 3,438,695.61, 4,745,449.04 and 1,890,100.46 is: 2,608,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,695.61 : 4,745,449.04 = 1,890,100.46 : x
  2. Step 2: Convert to fraction form
    3,438,695.61/4,745,449.04 = 1,890,100.46/x
  3. Step 3: Cross multiply
    3,438,695.61x = 4,745,449.04 × 1,890,100.46
  4. Step 4: Simplify right side
    3,438,695.61x = 8,969,375,380,232.81
  5. Step 5: Solve for x
    x = 8,969,375,380,232.81/3,438,695.61
  6. Step 6: Final answer
    x = 2,608,365.61

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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.