Home / 2,133,385.59-3,200,081.47-871,213.22

Finding the Fourth Proportional to 2,133,385.59, 3,200,081.47 and 871,213.22

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Solution

The fourth proportional to 2,133,385.59, 3,200,081.47 and 871,213.22 is: 1,306,821.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,385.59 : 3,200,081.47 = 871,213.22 : x
  2. Step 2: Convert to fraction form
    2,133,385.59/3,200,081.47 = 871,213.22/x
  3. Step 3: Cross multiply
    2,133,385.59x = 3,200,081.47 × 871,213.22
  4. Step 4: Simplify right side
    2,133,385.59x = 2,787,953,278,013.19
  5. Step 5: Solve for x
    x = 2,787,953,278,013.19/2,133,385.59
  6. Step 6: Final answer
    x = 1,306,821.09

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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.