Home / 5,430,018.90-8,149,621.05-2,237,436.30

Finding the Fourth Proportional to 5,430,018.90, 8,149,621.05 and 2,237,436.30

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Solution

The fourth proportional to 5,430,018.90, 8,149,621.05 and 2,237,436.30 is: 3,358,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,018.90 : 8,149,621.05 = 2,237,436.30 : x
  2. Step 2: Convert to fraction form
    5,430,018.90/8,149,621.05 = 2,237,436.30/x
  3. Step 3: Cross multiply
    5,430,018.90x = 8,149,621.05 × 2,237,436.30
  4. Step 4: Simplify right side
    5,430,018.90x = 18,234,257,968,514.11
  5. Step 5: Solve for x
    x = 18,234,257,968,514.11/5,430,018.90
  6. Step 6: Final answer
    x = 3,358,046.87

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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.