Home / 3,894,998.76-5,374,999.08-2,176,132.20

Finding the Fourth Proportional to 3,894,998.76, 5,374,999.08 and 2,176,132.20

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Solution

The fourth proportional to 3,894,998.76, 5,374,999.08 and 2,176,132.20 is: 3,003,007.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894,998.76 : 5,374,999.08 = 2,176,132.20 : x
  2. Step 2: Convert to fraction form
    3,894,998.76/5,374,999.08 = 2,176,132.20/x
  3. Step 3: Cross multiply
    3,894,998.76x = 5,374,999.08 × 2,176,132.20
  4. Step 4: Simplify right side
    3,894,998.76x = 11,696,708,572,958.38
  5. Step 5: Solve for x
    x = 11,696,708,572,958.38/3,894,998.76
  6. Step 6: Final answer
    x = 3,003,007.01

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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.