Home / 2,161,895.85-2,983,363.79-1,195,001.28

Finding the Fourth Proportional to 2,161,895.85, 2,983,363.79 and 1,195,001.28

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Solution

The fourth proportional to 2,161,895.85, 2,983,363.79 and 1,195,001.28 is: 1,649,072.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,895.85 : 2,983,363.79 = 1,195,001.28 : x
  2. Step 2: Convert to fraction form
    2,161,895.85/2,983,363.79 = 1,195,001.28/x
  3. Step 3: Cross multiply
    2,161,895.85x = 2,983,363.79 × 1,195,001.28
  4. Step 4: Simplify right side
    2,161,895.85x = 3,565,123,541,780.65
  5. Step 5: Solve for x
    x = 3,565,123,541,780.65/2,161,895.85
  6. Step 6: Final answer
    x = 1,649,072.75

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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.