Home / 2,225,378.80-3,071,023.57-1,206,783.28

Finding the Fourth Proportional to 2,225,378.80, 3,071,023.57 and 1,206,783.28

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Solution

The fourth proportional to 2,225,378.80, 3,071,023.57 and 1,206,783.28 is: 1,665,361.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225,378.80 : 3,071,023.57 = 1,206,783.28 : x
  2. Step 2: Convert to fraction form
    2,225,378.80/3,071,023.57 = 1,206,783.28/x
  3. Step 3: Cross multiply
    2,225,378.80x = 3,071,023.57 × 1,206,783.28
  4. Step 4: Simplify right side
    2,225,378.80x = 3,706,059,896,761.91
  5. Step 5: Solve for x
    x = 3,706,059,896,761.91/2,225,378.80
  6. Step 6: Final answer
    x = 1,665,361.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.