Home / 1,649,301.12-2,469,751.20-1,086,629.76

Finding the Fourth Proportional to 1,649,301.12, 2,469,751.20 and 1,086,629.76

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Solution

The fourth proportional to 1,649,301.12, 2,469,751.20 and 1,086,629.76 is: 1,627,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649,301.12 : 2,469,751.20 = 1,086,629.76 : x
  2. Step 2: Convert to fraction form
    1,649,301.12/2,469,751.20 = 1,086,629.76/x
  3. Step 3: Cross multiply
    1,649,301.12x = 2,469,751.20 × 1,086,629.76
  4. Step 4: Simplify right side
    1,649,301.12x = 2,683,705,153,715.71
  5. Step 5: Solve for x
    x = 2,683,705,153,715.71/1,649,301.12
  6. Step 6: Final answer
    x = 1,627,177.19

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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.