Home / 2,108,769.30-3,158,853.15-1,307,591.70

Finding the Fourth Proportional to 2,108,769.30, 3,158,853.15 and 1,307,591.70

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Solution

The fourth proportional to 2,108,769.30, 3,158,853.15 and 1,307,591.70 is: 1,958,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,769.30 : 3,158,853.15 = 1,307,591.70 : x
  2. Step 2: Convert to fraction form
    2,108,769.30/3,158,853.15 = 1,307,591.70/x
  3. Step 3: Cross multiply
    2,108,769.30x = 3,158,853.15 × 1,307,591.70
  4. Step 4: Simplify right side
    2,108,769.30x = 4,130,490,160,458.85
  5. Step 5: Solve for x
    x = 4,130,490,160,458.85/2,108,769.30
  6. Step 6: Final answer
    x = 1,958,720.74

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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.