Home / 6,748,621.34-10,123,981.76-2,198,610.89

Finding the Fourth Proportional to 6,748,621.34, 10,123,981.76 and 2,198,610.89

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Solution

The fourth proportional to 6,748,621.34, 10,123,981.76 and 2,198,610.89 is: 3,298,258.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748,621.34 : 10,123,981.76 = 2,198,610.89 : x
  2. Step 2: Convert to fraction form
    6,748,621.34/10,123,981.76 = 2,198,610.89/x
  3. Step 3: Cross multiply
    6,748,621.34x = 10,123,981.76 × 2,198,610.89
  4. Step 4: Simplify right side
    6,748,621.34x = 22,258,696,540,538.91
  5. Step 5: Solve for x
    x = 22,258,696,540,538.91/6,748,621.34
  6. Step 6: Final answer
    x = 3,298,258.33

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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.