Home / 3,240,684.24-4,472,234.55-1,790,473.20

Finding the Fourth Proportional to 3,240,684.24, 4,472,234.55 and 1,790,473.20

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Solution

The fourth proportional to 3,240,684.24, 4,472,234.55 and 1,790,473.20 is: 2,470,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,684.24 : 4,472,234.55 = 1,790,473.20 : x
  2. Step 2: Convert to fraction form
    3,240,684.24/4,472,234.55 = 1,790,473.20/x
  3. Step 3: Cross multiply
    3,240,684.24x = 4,472,234.55 × 1,790,473.20
  4. Step 4: Simplify right side
    3,240,684.24x = 8,007,416,105,889.06
  5. Step 5: Solve for x
    x = 8,007,416,105,889.06/3,240,684.24
  6. Step 6: Final answer
    x = 2,470,902.91

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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.