Home / 5,438,605.20-8,157,907.80-2,604,253.20

Finding the Fourth Proportional to 5,438,605.20, 8,157,907.80 and 2,604,253.20

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Solution

The fourth proportional to 5,438,605.20, 8,157,907.80 and 2,604,253.20 is: 3,906,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,605.20 : 8,157,907.80 = 2,604,253.20 : x
  2. Step 2: Convert to fraction form
    5,438,605.20/8,157,907.80 = 2,604,253.20/x
  3. Step 3: Cross multiply
    5,438,605.20x = 8,157,907.80 × 2,604,253.20
  4. Step 4: Simplify right side
    5,438,605.20x = 21,245,257,493,454.96
  5. Step 5: Solve for x
    x = 21,245,257,493,454.96/5,438,605.20
  6. Step 6: Final answer
    x = 3,906,379.80

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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.