Home / 2,133,387.98-3,200,085.05-871,215.61

Finding the Fourth Proportional to 2,133,387.98, 3,200,085.05 and 871,215.61

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Solution

The fourth proportional to 2,133,387.98, 3,200,085.05 and 871,215.61 is: 1,306,824.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,387.98 : 3,200,085.05 = 871,215.61 : x
  2. Step 2: Convert to fraction form
    2,133,387.98/3,200,085.05 = 871,215.61/x
  3. Step 3: Cross multiply
    2,133,387.98x = 3,200,085.05 × 871,215.61
  4. Step 4: Simplify right side
    2,133,387.98x = 2,787,964,048,887.63
  5. Step 5: Solve for x
    x = 2,787,964,048,887.63/2,133,387.98
  6. Step 6: Final answer
    x = 1,306,824.67

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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.