Home / 3,920,743.89-5,876,707.80-1,996,253.16

Finding the Fourth Proportional to 3,920,743.89, 5,876,707.80 and 1,996,253.16

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Solution

The fourth proportional to 3,920,743.89, 5,876,707.80 and 1,996,253.16 is: 2,992,135.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,743.89 : 5,876,707.80 = 1,996,253.16 : x
  2. Step 2: Convert to fraction form
    3,920,743.89/5,876,707.80 = 1,996,253.16/x
  3. Step 3: Cross multiply
    3,920,743.89x = 5,876,707.80 × 1,996,253.16
  4. Step 4: Simplify right side
    3,920,743.89x = 11,731,396,516,146.65
  5. Step 5: Solve for x
    x = 11,731,396,516,146.65/3,920,743.89
  6. Step 6: Final answer
    x = 2,992,135.38

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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.