Home / 2,182,619.28-3,011,859.72-1,202,514.96

Finding the Fourth Proportional to 2,182,619.28, 3,011,859.72 and 1,202,514.96

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Solution

The fourth proportional to 2,182,619.28, 3,011,859.72 and 1,202,514.96 is: 1,659,385.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,619.28 : 3,011,859.72 = 1,202,514.96 : x
  2. Step 2: Convert to fraction form
    2,182,619.28/3,011,859.72 = 1,202,514.96/x
  3. Step 3: Cross multiply
    2,182,619.28x = 3,011,859.72 × 1,202,514.96
  4. Step 4: Simplify right side
    2,182,619.28x = 3,621,806,370,721.41
  5. Step 5: Solve for x
    x = 3,621,806,370,721.41/2,182,619.28
  6. Step 6: Final answer
    x = 1,659,385.31

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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.