Home / 3,040,477.40-4,195,859.20-1,663,821.40

Finding the Fourth Proportional to 3,040,477.40, 4,195,859.20 and 1,663,821.40

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Solution

The fourth proportional to 3,040,477.40, 4,195,859.20 and 1,663,821.40 is: 2,296,073.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040,477.40 : 4,195,859.20 = 1,663,821.40 : x
  2. Step 2: Convert to fraction form
    3,040,477.40/4,195,859.20 = 1,663,821.40/x
  3. Step 3: Cross multiply
    3,040,477.40x = 4,195,859.20 × 1,663,821.40
  4. Step 4: Simplify right side
    3,040,477.40x = 6,981,160,328,346.88
  5. Step 5: Solve for x
    x = 6,981,160,328,346.88/3,040,477.40
  6. Step 6: Final answer
    x = 2,296,073.74

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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.