Home / 3,513,772.80-5,270,918.40-1,269,619.20

Finding the Fourth Proportional to 3,513,772.80, 5,270,918.40 and 1,269,619.20

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Solution

The fourth proportional to 3,513,772.80, 5,270,918.40 and 1,269,619.20 is: 1,904,522.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513,772.80 : 5,270,918.40 = 1,269,619.20 : x
  2. Step 2: Convert to fraction form
    3,513,772.80/5,270,918.40 = 1,269,619.20/x
  3. Step 3: Cross multiply
    3,513,772.80x = 5,270,918.40 × 1,269,619.20
  4. Step 4: Simplify right side
    3,513,772.80x = 6,692,059,202,273.28
  5. Step 5: Solve for x
    x = 6,692,059,202,273.28/3,513,772.80
  6. Step 6: Final answer
    x = 1,904,522.46

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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.