Home / 3,121,007.80-4,674,513.30-2,561,135.80

Finding the Fourth Proportional to 3,121,007.80, 4,674,513.30 and 2,561,135.80

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Solution

The fourth proportional to 3,121,007.80, 4,674,513.30 and 2,561,135.80 is: 3,835,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,007.80 : 4,674,513.30 = 2,561,135.80 : x
  2. Step 2: Convert to fraction form
    3,121,007.80/4,674,513.30 = 2,561,135.80/x
  3. Step 3: Cross multiply
    3,121,007.80x = 4,674,513.30 × 2,561,135.80
  4. Step 4: Simplify right side
    3,121,007.80x = 11,972,063,360,206.14
  5. Step 5: Solve for x
    x = 11,972,063,360,206.14/3,121,007.80
  6. Step 6: Final answer
    x = 3,835,960.73

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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.