Home / 4,280,131.44-6,418,330.72-1,618,873.20

Finding the Fourth Proportional to 4,280,131.44, 6,418,330.72 and 1,618,873.20

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Solution

The fourth proportional to 4,280,131.44, 6,418,330.72 and 1,618,873.20 is: 2,427,603.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280,131.44 : 6,418,330.72 = 1,618,873.20 : x
  2. Step 2: Convert to fraction form
    4,280,131.44/6,418,330.72 = 1,618,873.20/x
  3. Step 3: Cross multiply
    4,280,131.44x = 6,418,330.72 × 1,618,873.20
  4. Step 4: Simplify right side
    4,280,131.44x = 10,390,463,591,344.70
  5. Step 5: Solve for x
    x = 10,390,463,591,344.70/4,280,131.44
  6. Step 6: Final answer
    x = 2,427,603.86

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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.