Home / 1,649,181.48-2,472,045.82-690,186.56

Finding the Fourth Proportional to 1,649,181.48, 2,472,045.82 and 690,186.56

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Solution

The fourth proportional to 1,649,181.48, 2,472,045.82 and 690,186.56 is: 1,034,557.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649,181.48 : 2,472,045.82 = 690,186.56 : x
  2. Step 2: Convert to fraction form
    1,649,181.48/2,472,045.82 = 690,186.56/x
  3. Step 3: Cross multiply
    1,649,181.48x = 2,472,045.82 × 690,186.56
  4. Step 4: Simplify right side
    1,649,181.48x = 1,706,172,800,668.18
  5. Step 5: Solve for x
    x = 1,706,172,800,668.18/1,649,181.48
  6. Step 6: Final answer
    x = 1,034,557.34

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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.