Home / 1,648,451.45-2,469,687.17-1,217,236.38

Finding the Fourth Proportional to 1,648,451.45, 2,469,687.17 and 1,217,236.38

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Solution

The fourth proportional to 1,648,451.45, 2,469,687.17 and 1,217,236.38 is: 1,823,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,451.45 : 2,469,687.17 = 1,217,236.38 : x
  2. Step 2: Convert to fraction form
    1,648,451.45/2,469,687.17 = 1,217,236.38/x
  3. Step 3: Cross multiply
    1,648,451.45x = 2,469,687.17 × 1,217,236.38
  4. Step 4: Simplify right side
    1,648,451.45x = 3,006,193,064,457.06
  5. Step 5: Solve for x
    x = 3,006,193,064,457.06/1,648,451.45
  6. Step 6: Final answer
    x = 1,823,646.72

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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.