Home / 2,583,407.20-3,873,728.40-1,085,807.20

Finding the Fourth Proportional to 2,583,407.20, 3,873,728.40 and 1,085,807.20

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Solution

The fourth proportional to 2,583,407.20, 3,873,728.40 and 1,085,807.20 is: 1,628,129.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,583,407.20 : 3,873,728.40 = 1,085,807.20 : x
  2. Step 2: Convert to fraction form
    2,583,407.20/3,873,728.40 = 1,085,807.20/x
  3. Step 3: Cross multiply
    2,583,407.20x = 3,873,728.40 × 1,085,807.20
  4. Step 4: Simplify right side
    2,583,407.20x = 4,206,122,187,564.48
  5. Step 5: Solve for x
    x = 4,206,122,187,564.48/2,583,407.20
  6. Step 6: Final answer
    x = 1,628,129.78

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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.