Home / 3,930,009.72-5,895,014.52-1,090,121.88

Finding the Fourth Proportional to 3,930,009.72, 5,895,014.52 and 1,090,121.88

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Solution

The fourth proportional to 3,930,009.72, 5,895,014.52 and 1,090,121.88 is: 1,635,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,009.72 : 5,895,014.52 = 1,090,121.88 : x
  2. Step 2: Convert to fraction form
    3,930,009.72/5,895,014.52 = 1,090,121.88/x
  3. Step 3: Cross multiply
    3,930,009.72x = 5,895,014.52 × 1,090,121.88
  4. Step 4: Simplify right side
    3,930,009.72x = 6,426,284,311,169.70
  5. Step 5: Solve for x
    x = 6,426,284,311,169.70/3,930,009.72
  6. Step 6: Final answer
    x = 1,635,182.80

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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.