Home / 2,652,169.80-3,978,254.70-657,625.80

Finding the Fourth Proportional to 2,652,169.80, 3,978,254.70 and 657,625.80

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Solution

The fourth proportional to 2,652,169.80, 3,978,254.70 and 657,625.80 is: 986,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,169.80 : 3,978,254.70 = 657,625.80 : x
  2. Step 2: Convert to fraction form
    2,652,169.80/3,978,254.70 = 657,625.80/x
  3. Step 3: Cross multiply
    2,652,169.80x = 3,978,254.70 × 657,625.80
  4. Step 4: Simplify right side
    2,652,169.80x = 2,616,202,929,691.26
  5. Step 5: Solve for x
    x = 2,616,202,929,691.26/2,652,169.80
  6. Step 6: Final answer
    x = 986,438.70

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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.