Home / 1,693,888.65-2,540,834.61-1,393,738.29

Finding the Fourth Proportional to 1,693,888.65, 2,540,834.61 and 1,393,738.29

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Solution

The fourth proportional to 1,693,888.65, 2,540,834.61 and 1,393,738.29 is: 2,090,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,888.65 : 2,540,834.61 = 1,393,738.29 : x
  2. Step 2: Convert to fraction form
    1,693,888.65/2,540,834.61 = 1,393,738.29/x
  3. Step 3: Cross multiply
    1,693,888.65x = 2,540,834.61 × 1,393,738.29
  4. Step 4: Simplify right side
    1,693,888.65x = 3,541,258,484,514.22
  5. Step 5: Solve for x
    x = 3,541,258,484,514.22/1,693,888.65
  6. Step 6: Final answer
    x = 2,090,608.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.