Home / 3,409,728.86-4,705,359.11-1,861,001.63

Finding the Fourth Proportional to 3,409,728.86, 4,705,359.11 and 1,861,001.63

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Solution

The fourth proportional to 3,409,728.86, 4,705,359.11 and 1,861,001.63 is: 2,568,145.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409,728.86 : 4,705,359.11 = 1,861,001.63 : x
  2. Step 2: Convert to fraction form
    3,409,728.86/4,705,359.11 = 1,861,001.63/x
  3. Step 3: Cross multiply
    3,409,728.86x = 4,705,359.11 × 1,861,001.63
  4. Step 4: Simplify right side
    3,409,728.86x = 8,756,680,940,613.55
  5. Step 5: Solve for x
    x = 8,756,680,940,613.55/3,409,728.86
  6. Step 6: Final answer
    x = 2,568,145.83

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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.