Home / 5,182,855.20-7,152,291.36-2,859,768.72

Finding the Fourth Proportional to 5,182,855.20, 7,152,291.36 and 2,859,768.72

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Solution

The fourth proportional to 5,182,855.20, 7,152,291.36 and 2,859,768.72 is: 3,946,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182,855.20 : 7,152,291.36 = 2,859,768.72 : x
  2. Step 2: Convert to fraction form
    5,182,855.20/7,152,291.36 = 2,859,768.72/x
  3. Step 3: Cross multiply
    5,182,855.20x = 7,152,291.36 × 2,859,768.72
  4. Step 4: Simplify right side
    5,182,855.20x = 20,453,899,107,654.26
  5. Step 5: Solve for x
    x = 20,453,899,107,654.26/5,182,855.20
  6. Step 6: Final answer
    x = 3,946,453.90

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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.