Home / 2,866,739.20-3,956,100.72-1,577,579.57

Finding the Fourth Proportional to 2,866,739.20, 3,956,100.72 and 1,577,579.57

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Solution

The fourth proportional to 2,866,739.20, 3,956,100.72 and 1,577,579.57 is: 2,177,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866,739.20 : 3,956,100.72 = 1,577,579.57 : x
  2. Step 2: Convert to fraction form
    2,866,739.20/3,956,100.72 = 1,577,579.57/x
  3. Step 3: Cross multiply
    2,866,739.20x = 3,956,100.72 × 1,577,579.57
  4. Step 4: Simplify right side
    2,866,739.20x = 6,241,063,672,734.29
  5. Step 5: Solve for x
    x = 6,241,063,672,734.29/2,866,739.20
  6. Step 6: Final answer
    x = 2,177,060.15

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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.