Home / 2,631,399.81-3,940,002.99-1,718,320.42

Finding the Fourth Proportional to 2,631,399.81, 3,940,002.99 and 1,718,320.42

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Solution

The fourth proportional to 2,631,399.81, 3,940,002.99 and 1,718,320.42 is: 2,572,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,399.81 : 3,940,002.99 = 1,718,320.42 : x
  2. Step 2: Convert to fraction form
    2,631,399.81/3,940,002.99 = 1,718,320.42/x
  3. Step 3: Cross multiply
    2,631,399.81x = 3,940,002.99 × 1,718,320.42
  4. Step 4: Simplify right side
    2,631,399.81x = 6,770,187,592,578.06
  5. Step 5: Solve for x
    x = 6,770,187,592,578.06/2,631,399.81
  6. Step 6: Final answer
    x = 2,572,846.42

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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.