Home / 1,975,712.71-2,726,939.13-1,286,183.60

Finding the Fourth Proportional to 1,975,712.71, 2,726,939.13 and 1,286,183.60

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Solution

The fourth proportional to 1,975,712.71, 2,726,939.13 and 1,286,183.60 is: 1,775,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,712.71 : 2,726,939.13 = 1,286,183.60 : x
  2. Step 2: Convert to fraction form
    1,975,712.71/2,726,939.13 = 1,286,183.60/x
  3. Step 3: Cross multiply
    1,975,712.71x = 2,726,939.13 × 1,286,183.60
  4. Step 4: Simplify right side
    1,975,712.71x = 3,507,344,387,204.27
  5. Step 5: Solve for x
    x = 3,507,344,387,204.27/1,975,712.71
  6. Step 6: Final answer
    x = 1,775,229.96

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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.