Home / 3,920,736.95-5,391,429.39-3,403,586.88

Finding the Fourth Proportional to 3,920,736.95, 5,391,429.39 and 3,403,586.88

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Solution

The fourth proportional to 3,920,736.95, 5,391,429.39 and 3,403,586.88 is: 4,680,293.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,736.95 : 5,391,429.39 = 3,403,586.88 : x
  2. Step 2: Convert to fraction form
    3,920,736.95/5,391,429.39 = 3,403,586.88/x
  3. Step 3: Cross multiply
    3,920,736.95x = 5,391,429.39 × 3,403,586.88
  4. Step 4: Simplify right side
    3,920,736.95x = 18,350,198,336,250.40
  5. Step 5: Solve for x
    x = 18,350,198,336,250.40/3,920,736.95
  6. Step 6: Final answer
    x = 4,680,293.17

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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.