Home / 7,278,909.81-10,917,971.06-2,230,234.89

Finding the Fourth Proportional to 7,278,909.81, 10,917,971.06 and 2,230,234.89

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Solution

The fourth proportional to 7,278,909.81, 10,917,971.06 and 2,230,234.89 is: 3,345,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278,909.81 : 10,917,971.06 = 2,230,234.89 : x
  2. Step 2: Convert to fraction form
    7,278,909.81/10,917,971.06 = 2,230,234.89/x
  3. Step 3: Cross multiply
    7,278,909.81x = 10,917,971.06 × 2,230,234.89
  4. Step 4: Simplify right side
    7,278,909.81x = 24,349,639,974,871.11
  5. Step 5: Solve for x
    x = 24,349,639,974,871.11/7,278,909.81
  6. Step 6: Final answer
    x = 3,345,231.72

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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.