Home / 5,397,389.40-8,090,900.10-3,120,576.60

Finding the Fourth Proportional to 5,397,389.40, 8,090,900.10 and 3,120,576.60

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Solution

The fourth proportional to 5,397,389.40, 8,090,900.10 and 3,120,576.60 is: 4,677,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397,389.40 : 8,090,900.10 = 3,120,576.60 : x
  2. Step 2: Convert to fraction form
    5,397,389.40/8,090,900.10 = 3,120,576.60/x
  3. Step 3: Cross multiply
    5,397,389.40x = 8,090,900.10 × 3,120,576.60
  4. Step 4: Simplify right side
    5,397,389.40x = 25,248,273,524,997.66
  5. Step 5: Solve for x
    x = 25,248,273,524,997.66/5,397,389.40
  6. Step 6: Final answer
    x = 4,677,867.70

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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.