Home / 5,371,236.80-8,040,266.40-3,120,689.60

Finding the Fourth Proportional to 5,371,236.80, 8,040,266.40 and 3,120,689.60

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Solution

The fourth proportional to 5,371,236.80, 8,040,266.40 and 3,120,689.60 is: 4,671,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371,236.80 : 8,040,266.40 = 3,120,689.60 : x
  2. Step 2: Convert to fraction form
    5,371,236.80/8,040,266.40 = 3,120,689.60/x
  3. Step 3: Cross multiply
    5,371,236.80x = 8,040,266.40 × 3,120,689.60
  4. Step 4: Simplify right side
    5,371,236.80x = 25,091,175,735,709.44
  5. Step 5: Solve for x
    x = 25,091,175,735,709.44/5,371,236.80
  6. Step 6: Final answer
    x = 4,671,396.30

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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.