Home / 3,516,220.80-5,274,331.20-1,272,067.20

Finding the Fourth Proportional to 3,516,220.80, 5,274,331.20 and 1,272,067.20

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Solution

The fourth proportional to 3,516,220.80, 5,274,331.20 and 1,272,067.20 is: 1,908,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,220.80 : 5,274,331.20 = 1,272,067.20 : x
  2. Step 2: Convert to fraction form
    3,516,220.80/5,274,331.20 = 1,272,067.20/x
  3. Step 3: Cross multiply
    3,516,220.80x = 5,274,331.20 × 1,272,067.20
  4. Step 4: Simplify right side
    3,516,220.80x = 6,709,303,721,456.64
  5. Step 5: Solve for x
    x = 6,709,303,721,456.64/3,516,220.80
  6. Step 6: Final answer
    x = 1,908,100.80

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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.