Home / 3,456,017.80-5,181,569.10-1,325,278.60

Finding the Fourth Proportional to 3,456,017.80, 5,181,569.10 and 1,325,278.60

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Solution

The fourth proportional to 3,456,017.80, 5,181,569.10 and 1,325,278.60 is: 1,986,975.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456,017.80 : 5,181,569.10 = 1,325,278.60 : x
  2. Step 2: Convert to fraction form
    3,456,017.80/5,181,569.10 = 1,325,278.60/x
  3. Step 3: Cross multiply
    3,456,017.80x = 5,181,569.10 × 1,325,278.60
  4. Step 4: Simplify right side
    3,456,017.80x = 6,867,022,642,651.26
  5. Step 5: Solve for x
    x = 6,867,022,642,651.26/3,456,017.80
  6. Step 6: Final answer
    x = 1,986,975.48

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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.