Home / 5,458,431.60-8,187,647.40-1,863,003.60

Finding the Fourth Proportional to 5,458,431.60, 8,187,647.40 and 1,863,003.60

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Solution

The fourth proportional to 5,458,431.60, 8,187,647.40 and 1,863,003.60 is: 2,794,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458,431.60 : 8,187,647.40 = 1,863,003.60 : x
  2. Step 2: Convert to fraction form
    5,458,431.60/8,187,647.40 = 1,863,003.60/x
  3. Step 3: Cross multiply
    5,458,431.60x = 8,187,647.40 × 1,863,003.60
  4. Step 4: Simplify right side
    5,458,431.60x = 15,253,616,581,730.64
  5. Step 5: Solve for x
    x = 15,253,616,581,730.64/5,458,431.60
  6. Step 6: Final answer
    x = 2,794,505.40

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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.