Home / 2,195,943.32-3,029,710.92-1,228,919.96

Finding the Fourth Proportional to 2,195,943.32, 3,029,710.92 and 1,228,919.96

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Solution

The fourth proportional to 2,195,943.32, 3,029,710.92 and 1,228,919.96 is: 1,695,522.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,943.32 : 3,029,710.92 = 1,228,919.96 : x
  2. Step 2: Convert to fraction form
    2,195,943.32/3,029,710.92 = 1,228,919.96/x
  3. Step 3: Cross multiply
    2,195,943.32x = 3,029,710.92 × 1,228,919.96
  4. Step 4: Simplify right side
    2,195,943.32x = 3,723,272,222,617.96
  5. Step 5: Solve for x
    x = 3,723,272,222,617.96/2,195,943.32
  6. Step 6: Final answer
    x = 1,695,522.92

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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.