Home / 1,990,913.19-2,747,693.46-1,131,602.61

Finding the Fourth Proportional to 1,990,913.19, 2,747,693.46 and 1,131,602.61

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Solution

The fourth proportional to 1,990,913.19, 2,747,693.46 and 1,131,602.61 is: 1,561,744.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,913.19 : 2,747,693.46 = 1,131,602.61 : x
  2. Step 2: Convert to fraction form
    1,990,913.19/2,747,693.46 = 1,131,602.61/x
  3. Step 3: Cross multiply
    1,990,913.19x = 2,747,693.46 × 1,131,602.61
  4. Step 4: Simplify right side
    1,990,913.19x = 3,109,297,090,815.93
  5. Step 5: Solve for x
    x = 3,109,297,090,815.93/1,990,913.19
  6. Step 6: Final answer
    x = 1,561,744.18

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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.