Home / 2,145,105.84-3,217,655.92-547,669.20

Finding the Fourth Proportional to 2,145,105.84, 3,217,655.92 and 547,669.20

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Solution

The fourth proportional to 2,145,105.84, 3,217,655.92 and 547,669.20 is: 821,503.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,105.84 : 3,217,655.92 = 547,669.20 : x
  2. Step 2: Convert to fraction form
    2,145,105.84/3,217,655.92 = 547,669.20/x
  3. Step 3: Cross multiply
    2,145,105.84x = 3,217,655.92 × 547,669.20
  4. Step 4: Simplify right side
    2,145,105.84x = 1,762,211,043,581.66
  5. Step 5: Solve for x
    x = 1,762,211,043,581.66/2,145,105.84
  6. Step 6: Final answer
    x = 821,503.07

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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.