Home / 3,585,131.40-5,372,628.30-1,988,397.96

Finding the Fourth Proportional to 3,585,131.40, 5,372,628.30 and 1,988,397.96

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Solution

The fourth proportional to 3,585,131.40, 5,372,628.30 and 1,988,397.96 is: 2,979,785.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585,131.40 : 5,372,628.30 = 1,988,397.96 : x
  2. Step 2: Convert to fraction form
    3,585,131.40/5,372,628.30 = 1,988,397.96/x
  3. Step 3: Cross multiply
    3,585,131.40x = 5,372,628.30 × 1,988,397.96
  4. Step 4: Simplify right side
    3,585,131.40x = 10,682,923,151,558.27
  5. Step 5: Solve for x
    x = 10,682,923,151,558.27/3,585,131.40
  6. Step 6: Final answer
    x = 2,979,785.66

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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.