Home / 3,240,540.72-4,472,207.64-1,790,362.80

Finding the Fourth Proportional to 3,240,540.72, 4,472,207.64 and 1,790,362.80

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Solution

The fourth proportional to 3,240,540.72, 4,472,207.64 and 1,790,362.80 is: 2,470,845.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,540.72 : 4,472,207.64 = 1,790,362.80 : x
  2. Step 2: Convert to fraction form
    3,240,540.72/4,472,207.64 = 1,790,362.80/x
  3. Step 3: Cross multiply
    3,240,540.72x = 4,472,207.64 × 1,790,362.80
  4. Step 4: Simplify right side
    3,240,540.72x = 8,006,874,192,531.79
  5. Step 5: Solve for x
    x = 8,006,874,192,531.79/3,240,540.72
  6. Step 6: Final answer
    x = 2,470,845.11

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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.