Home / 1,965,169.65-2,711,987.11-1,105,760.46

Finding the Fourth Proportional to 1,965,169.65, 2,711,987.11 and 1,105,760.46

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Solution

The fourth proportional to 1,965,169.65, 2,711,987.11 and 1,105,760.46 is: 1,525,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,169.65 : 2,711,987.11 = 1,105,760.46 : x
  2. Step 2: Convert to fraction form
    1,965,169.65/2,711,987.11 = 1,105,760.46/x
  3. Step 3: Cross multiply
    1,965,169.65x = 2,711,987.11 × 1,105,760.46
  4. Step 4: Simplify right side
    1,965,169.65x = 2,998,808,108,738.87
  5. Step 5: Solve for x
    x = 2,998,808,108,738.87/1,965,169.65
  6. Step 6: Final answer
    x = 1,525,979.25

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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.