Home / 2,866,789.50-3,956,170.07-1,577,629.89

Finding the Fourth Proportional to 2,866,789.50, 3,956,170.07 and 1,577,629.89

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Solution

The fourth proportional to 2,866,789.50, 3,956,170.07 and 1,577,629.89 is: 2,177,129.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866,789.50 : 3,956,170.07 = 1,577,629.89 : x
  2. Step 2: Convert to fraction form
    2,866,789.50/3,956,170.07 = 1,577,629.89/x
  3. Step 3: Cross multiply
    2,866,789.50x = 3,956,170.07 × 1,577,629.89
  4. Step 4: Simplify right side
    2,866,789.50x = 6,241,372,145,172.74
  5. Step 5: Solve for x
    x = 6,241,372,145,172.74/2,866,789.50
  6. Step 6: Final answer
    x = 2,177,129.56

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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.