Home / 5,160,443.28-7,120,974.24-2,837,211

Finding the Fourth Proportional to 5,160,443.28, 7,120,974.24 and 2,837,211

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Solution

The fourth proportional to 5,160,443.28, 7,120,974.24 and 2,837,211 is: 3,915,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,443.28 : 7,120,974.24 = 2,837,211 : x
  2. Step 2: Convert to fraction form
    5,160,443.28/7,120,974.24 = 2,837,211/x
  3. Step 3: Cross multiply
    5,160,443.28x = 7,120,974.24 × 2,837,211
  4. Step 4: Simplify right side
    5,160,443.28x = 20,203,706,444,444.64
  5. Step 5: Solve for x
    x = 20,203,706,444,444.64/5,160,443.28
  6. Step 6: Final answer
    x = 3,915,110.65

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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.