Home / 1,649,177.47-2,472,039.82-690,182.56

Finding the Fourth Proportional to 1,649,177.47, 2,472,039.82 and 690,182.56

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Solution

The fourth proportional to 1,649,177.47, 2,472,039.82 and 690,182.56 is: 1,034,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649,177.47 : 2,472,039.82 = 690,182.56 : x
  2. Step 2: Convert to fraction form
    1,649,177.47/2,472,039.82 = 690,182.56/x
  3. Step 3: Cross multiply
    1,649,177.47x = 2,472,039.82 × 690,182.56
  4. Step 4: Simplify right side
    1,649,177.47x = 1,706,158,771,389.54
  5. Step 5: Solve for x
    x = 1,706,158,771,389.54/1,649,177.47
  6. Step 6: Final answer
    x = 1,034,551.35

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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.