Home / 2,102,806.60-3,150,581.10-978,569.80

Finding the Fourth Proportional to 2,102,806.60, 3,150,581.10 and 978,569.80

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Solution

The fourth proportional to 2,102,806.60, 3,150,581.10 and 978,569.80 is: 1,466,165.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,806.60 : 3,150,581.10 = 978,569.80 : x
  2. Step 2: Convert to fraction form
    2,102,806.60/3,150,581.10 = 978,569.80/x
  3. Step 3: Cross multiply
    2,102,806.60x = 3,150,581.10 × 978,569.80
  4. Step 4: Simplify right side
    2,102,806.60x = 3,083,063,516,910.78
  5. Step 5: Solve for x
    x = 3,083,063,516,910.78/2,102,806.60
  6. Step 6: Final answer
    x = 1,466,165.99

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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.