Home / 2,679,864.45-4,018,932.81-882,319.95

Finding the Fourth Proportional to 2,679,864.45, 4,018,932.81 and 882,319.95

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Solution

The fourth proportional to 2,679,864.45, 4,018,932.81 and 882,319.95 is: 1,323,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,864.45 : 4,018,932.81 = 882,319.95 : x
  2. Step 2: Convert to fraction form
    2,679,864.45/4,018,932.81 = 882,319.95/x
  3. Step 3: Cross multiply
    2,679,864.45x = 4,018,932.81 × 882,319.95
  4. Step 4: Simplify right side
    2,679,864.45x = 3,545,984,595,972.56
  5. Step 5: Solve for x
    x = 3,545,984,595,972.56/2,679,864.45
  6. Step 6: Final answer
    x = 1,323,195.51

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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.