Home / 1,646,839.38-2,470,006.92-448,858.20

Finding the Fourth Proportional to 1,646,839.38, 2,470,006.92 and 448,858.20

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Solution

The fourth proportional to 1,646,839.38, 2,470,006.92 and 448,858.20 is: 673,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,839.38 : 2,470,006.92 = 448,858.20 : x
  2. Step 2: Convert to fraction form
    1,646,839.38/2,470,006.92 = 448,858.20/x
  3. Step 3: Cross multiply
    1,646,839.38x = 2,470,006.92 × 448,858.20
  4. Step 4: Simplify right side
    1,646,839.38x = 1,108,682,860,098.74
  5. Step 5: Solve for x
    x = 1,108,682,860,098.74/1,646,839.38
  6. Step 6: Final answer
    x = 673,218.57

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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.