Home / 4,012,018.70-6,018,006.98-979,400.57

Finding the Fourth Proportional to 4,012,018.70, 6,018,006.98 and 979,400.57

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Solution

The fourth proportional to 4,012,018.70, 6,018,006.98 and 979,400.57 is: 1,469,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012,018.70 : 6,018,006.98 = 979,400.57 : x
  2. Step 2: Convert to fraction form
    4,012,018.70/6,018,006.98 = 979,400.57/x
  3. Step 3: Cross multiply
    4,012,018.70x = 6,018,006.98 × 979,400.57
  4. Step 4: Simplify right side
    4,012,018.70x = 5,894,039,438,834.44
  5. Step 5: Solve for x
    x = 5,894,039,438,834.44/4,012,018.70
  6. Step 6: Final answer
    x = 1,469,095.71

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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.