Home / 5,286,109.24-7,294,245.72-2,931,247.78

Finding the Fourth Proportional to 5,286,109.24, 7,294,245.72 and 2,931,247.78

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Solution

The fourth proportional to 5,286,109.24, 7,294,245.72 and 2,931,247.78 is: 4,044,797.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286,109.24 : 7,294,245.72 = 2,931,247.78 : x
  2. Step 2: Convert to fraction form
    5,286,109.24/7,294,245.72 = 2,931,247.78/x
  3. Step 3: Cross multiply
    5,286,109.24x = 7,294,245.72 × 2,931,247.78
  4. Step 4: Simplify right side
    5,286,109.24x = 21,381,241,573,524.50
  5. Step 5: Solve for x
    x = 21,381,241,573,524.50/5,286,109.24
  6. Step 6: Final answer
    x = 4,044,797.53

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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.