Home / 2,679,864.20-4,018,932.43-882,319.69

Finding the Fourth Proportional to 2,679,864.20, 4,018,932.43 and 882,319.69

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Solution

The fourth proportional to 2,679,864.20, 4,018,932.43 and 882,319.69 is: 1,323,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,864.20 : 4,018,932.43 = 882,319.69 : x
  2. Step 2: Convert to fraction form
    2,679,864.20/4,018,932.43 = 882,319.69/x
  3. Step 3: Cross multiply
    2,679,864.20x = 4,018,932.43 × 882,319.69
  4. Step 4: Simplify right side
    2,679,864.20x = 3,545,983,215,768.55
  5. Step 5: Solve for x
    x = 3,545,983,215,768.55/2,679,864.20
  6. Step 6: Final answer
    x = 1,323,195.11

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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.