Home / 5,257,987.32-7,886,982.42-1,472,027.88

Finding the Fourth Proportional to 5,257,987.32, 7,886,982.42 and 1,472,027.88

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Solution

The fourth proportional to 5,257,987.32, 7,886,982.42 and 1,472,027.88 is: 2,208,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257,987.32 : 7,886,982.42 = 1,472,027.88 : x
  2. Step 2: Convert to fraction form
    5,257,987.32/7,886,982.42 = 1,472,027.88/x
  3. Step 3: Cross multiply
    5,257,987.32x = 7,886,982.42 × 1,472,027.88
  4. Step 4: Simplify right side
    5,257,987.32x = 11,609,858,011,309.87
  5. Step 5: Solve for x
    x = 11,609,858,011,309.87/5,257,987.32
  6. Step 6: Final answer
    x = 2,208,042.22

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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.