Home / 3,138,199.80-4,707,299.70-1,543,876.80

Finding the Fourth Proportional to 3,138,199.80, 4,707,299.70 and 1,543,876.80

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Solution

The fourth proportional to 3,138,199.80, 4,707,299.70 and 1,543,876.80 is: 2,315,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,199.80 : 4,707,299.70 = 1,543,876.80 : x
  2. Step 2: Convert to fraction form
    3,138,199.80/4,707,299.70 = 1,543,876.80/x
  3. Step 3: Cross multiply
    3,138,199.80x = 4,707,299.70 × 1,543,876.80
  4. Step 4: Simplify right side
    3,138,199.80x = 7,267,490,797,476.96
  5. Step 5: Solve for x
    x = 7,267,490,797,476.96/3,138,199.80
  6. Step 6: Final answer
    x = 2,315,815.20

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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.