Home / 3,618,042.36-4,992,908.50-1,986,555.40

Finding the Fourth Proportional to 3,618,042.36, 4,992,908.50 and 1,986,555.40

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Solution

The fourth proportional to 3,618,042.36, 4,992,908.50 and 1,986,555.40 is: 2,741,451.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,042.36 : 4,992,908.50 = 1,986,555.40 : x
  2. Step 2: Convert to fraction form
    3,618,042.36/4,992,908.50 = 1,986,555.40/x
  3. Step 3: Cross multiply
    3,618,042.36x = 4,992,908.50 × 1,986,555.40
  4. Step 4: Simplify right side
    3,618,042.36x = 9,918,689,342,380.90
  5. Step 5: Solve for x
    x = 9,918,689,342,380.90/3,618,042.36
  6. Step 6: Final answer
    x = 2,741,451.97

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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.