Home / 4,008,375.40-6,012,563.10-2,638,438.60

Finding the Fourth Proportional to 4,008,375.40, 6,012,563.10 and 2,638,438.60

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Solution

The fourth proportional to 4,008,375.40, 6,012,563.10 and 2,638,438.60 is: 3,957,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,008,375.40 : 6,012,563.10 = 2,638,438.60 : x
  2. Step 2: Convert to fraction form
    4,008,375.40/6,012,563.10 = 2,638,438.60/x
  3. Step 3: Cross multiply
    4,008,375.40x = 6,012,563.10 × 2,638,438.60
  4. Step 4: Simplify right side
    4,008,375.40x = 15,863,778,567,975.66
  5. Step 5: Solve for x
    x = 15,863,778,567,975.66/4,008,375.40
  6. Step 6: Final answer
    x = 3,957,657.90

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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.