Home / 2,126,876.48-3,182,820.48-1,328,534

Finding the Fourth Proportional to 2,126,876.48, 3,182,820.48 and 1,328,534

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Solution

The fourth proportional to 2,126,876.48, 3,182,820.48 and 1,328,534 is: 1,988,119.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,876.48 : 3,182,820.48 = 1,328,534 : x
  2. Step 2: Convert to fraction form
    2,126,876.48/3,182,820.48 = 1,328,534/x
  3. Step 3: Cross multiply
    2,126,876.48x = 3,182,820.48 × 1,328,534
  4. Step 4: Simplify right side
    2,126,876.48x = 4,228,485,223,576.32
  5. Step 5: Solve for x
    x = 4,228,485,223,576.32/2,126,876.48
  6. Step 6: Final answer
    x = 1,988,119.79

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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.