Home / 2,431,407.82-3,647,111.66-915,430.85

Finding the Fourth Proportional to 2,431,407.82, 3,647,111.66 and 915,430.85

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Solution

The fourth proportional to 2,431,407.82, 3,647,111.66 and 915,430.85 is: 1,373,146.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431,407.82 : 3,647,111.66 = 915,430.85 : x
  2. Step 2: Convert to fraction form
    2,431,407.82/3,647,111.66 = 915,430.85/x
  3. Step 3: Cross multiply
    2,431,407.82x = 3,647,111.66 × 915,430.85
  4. Step 4: Simplify right side
    2,431,407.82x = 3,338,678,522,381.56
  5. Step 5: Solve for x
    x = 3,338,678,522,381.56/2,431,407.82
  6. Step 6: Final answer
    x = 1,373,146.25

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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.