Home / 2,215,751.79-3,060,259.71-1,489,338.36

Finding the Fourth Proportional to 2,215,751.79, 3,060,259.71 and 1,489,338.36

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Solution

The fourth proportional to 2,215,751.79, 3,060,259.71 and 1,489,338.36 is: 2,056,982.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,751.79 : 3,060,259.71 = 1,489,338.36 : x
  2. Step 2: Convert to fraction form
    2,215,751.79/3,060,259.71 = 1,489,338.36/x
  3. Step 3: Cross multiply
    2,215,751.79x = 3,060,259.71 × 1,489,338.36
  4. Step 4: Simplify right side
    2,215,751.79x = 4,557,762,177,665.48
  5. Step 5: Solve for x
    x = 4,557,762,177,665.48/2,215,751.79
  6. Step 6: Final answer
    x = 2,056,982.28

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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.