Home / 2,105,245.86-3,156,660.03-824,353.65

Finding the Fourth Proportional to 2,105,245.86, 3,156,660.03 and 824,353.65

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Solution

The fourth proportional to 2,105,245.86, 3,156,660.03 and 824,353.65 is: 1,236,057.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,245.86 : 3,156,660.03 = 824,353.65 : x
  2. Step 2: Convert to fraction form
    2,105,245.86/3,156,660.03 = 824,353.65/x
  3. Step 3: Cross multiply
    2,105,245.86x = 3,156,660.03 × 824,353.65
  4. Step 4: Simplify right side
    2,105,245.86x = 2,602,204,217,539.61
  5. Step 5: Solve for x
    x = 2,602,204,217,539.61/2,105,245.86
  6. Step 6: Final answer
    x = 1,236,057.16

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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.