Home / 3,539,005.34-5,307,645.12-980,153.78

Finding the Fourth Proportional to 3,539,005.34, 5,307,645.12 and 980,153.78

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Solution

The fourth proportional to 3,539,005.34, 5,307,645.12 and 980,153.78 is: 1,469,991.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,005.34 : 5,307,645.12 = 980,153.78 : x
  2. Step 2: Convert to fraction form
    3,539,005.34/5,307,645.12 = 980,153.78/x
  3. Step 3: Cross multiply
    3,539,005.34x = 5,307,645.12 × 980,153.78
  4. Step 4: Simplify right side
    3,539,005.34x = 5,202,308,427,266.55
  5. Step 5: Solve for x
    x = 5,202,308,427,266.55/3,539,005.34
  6. Step 6: Final answer
    x = 1,469,991.69

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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.