Home / 2,431,408.32-3,647,112.41-915,431.35

Finding the Fourth Proportional to 2,431,408.32, 3,647,112.41 and 915,431.35

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Solution

The fourth proportional to 2,431,408.32, 3,647,112.41 and 915,431.35 is: 1,373,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431,408.32 : 3,647,112.41 = 915,431.35 : x
  2. Step 2: Convert to fraction form
    2,431,408.32/3,647,112.41 = 915,431.35/x
  3. Step 3: Cross multiply
    2,431,408.32x = 3,647,112.41 × 915,431.35
  4. Step 4: Simplify right side
    2,431,408.32x = 3,338,681,032,510.90
  5. Step 5: Solve for x
    x = 3,338,681,032,510.90/2,431,408.32
  6. Step 6: Final answer
    x = 1,373,147.00

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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.