Home / 3,892,123.36-5,371,098.12-2,126,023.12

Finding the Fourth Proportional to 3,892,123.36, 5,371,098.12 and 2,126,023.12

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Solution

The fourth proportional to 3,892,123.36, 5,371,098.12 and 2,126,023.12 is: 2,933,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892,123.36 : 5,371,098.12 = 2,126,023.12 : x
  2. Step 2: Convert to fraction form
    3,892,123.36/5,371,098.12 = 2,126,023.12/x
  3. Step 3: Cross multiply
    3,892,123.36x = 5,371,098.12 × 2,126,023.12
  4. Step 4: Simplify right side
    3,892,123.36x = 11,419,078,782,908.54
  5. Step 5: Solve for x
    x = 11,419,078,782,908.54/3,892,123.36
  6. Step 6: Final answer
    x = 2,933,894.36

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1.5x scale

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.