Home / 2,589,947.80-3,884,921.70-1,330,235.80

Finding the Fourth Proportional to 2,589,947.80, 3,884,921.70 and 1,330,235.80

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Solution

The fourth proportional to 2,589,947.80, 3,884,921.70 and 1,330,235.80 is: 1,995,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,947.80 : 3,884,921.70 = 1,330,235.80 : x
  2. Step 2: Convert to fraction form
    2,589,947.80/3,884,921.70 = 1,330,235.80/x
  3. Step 3: Cross multiply
    2,589,947.80x = 3,884,921.70 × 1,330,235.80
  4. Step 4: Simplify right side
    2,589,947.80x = 5,167,861,925,536.86
  5. Step 5: Solve for x
    x = 5,167,861,925,536.86/2,589,947.80
  6. Step 6: Final answer
    x = 1,995,353.70

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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.