Home / 2,640,990.98-3,644,704.07-1,479,369.34

Finding the Fourth Proportional to 2,640,990.98, 3,644,704.07 and 1,479,369.34

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Solution

The fourth proportional to 2,640,990.98, 3,644,704.07 and 1,479,369.34 is: 2,041,606.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,990.98 : 3,644,704.07 = 1,479,369.34 : x
  2. Step 2: Convert to fraction form
    2,640,990.98/3,644,704.07 = 1,479,369.34/x
  3. Step 3: Cross multiply
    2,640,990.98x = 3,644,704.07 × 1,479,369.34
  4. Step 4: Simplify right side
    2,640,990.98x = 5,391,863,471,649.34
  5. Step 5: Solve for x
    x = 5,391,863,471,649.34/2,640,990.98
  6. Step 6: Final answer
    x = 2,041,606.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.