Home / 2,210,246.66-3,315,370.11-612,809.78

Finding the Fourth Proportional to 2,210,246.66, 3,315,370.11 and 612,809.78

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Solution

The fourth proportional to 2,210,246.66, 3,315,370.11 and 612,809.78 is: 919,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210,246.66 : 3,315,370.11 = 612,809.78 : x
  2. Step 2: Convert to fraction form
    2,210,246.66/3,315,370.11 = 612,809.78/x
  3. Step 3: Cross multiply
    2,210,246.66x = 3,315,370.11 × 612,809.78
  4. Step 4: Simplify right side
    2,210,246.66x = 2,031,691,227,727.68
  5. Step 5: Solve for x
    x = 2,031,691,227,727.68/2,210,246.66
  6. Step 6: Final answer
    x = 919,214.70

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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.