Home / 3,982,071.70-5,500,668.29-3,121,767.84

Finding the Fourth Proportional to 3,982,071.70, 5,500,668.29 and 3,121,767.84

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Solution

The fourth proportional to 3,982,071.70, 5,500,668.29 and 3,121,767.84 is: 4,312,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982,071.70 : 5,500,668.29 = 3,121,767.84 : x
  2. Step 2: Convert to fraction form
    3,982,071.70/5,500,668.29 = 3,121,767.84/x
  3. Step 3: Cross multiply
    3,982,071.70x = 5,500,668.29 × 3,121,767.84
  4. Step 4: Simplify right side
    3,982,071.70x = 17,171,809,359,956.95
  5. Step 5: Solve for x
    x = 17,171,809,359,956.95/3,982,071.70
  6. Step 6: Final answer
    x = 4,312,280.30

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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.