Home / 5,214,520.25-7,824,022.40-2,520,870.95

Finding the Fourth Proportional to 5,214,520.25, 7,824,022.40 and 2,520,870.95

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Solution

The fourth proportional to 5,214,520.25, 7,824,022.40 and 2,520,870.95 is: 3,782,390.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,520.25 : 7,824,022.40 = 2,520,870.95 : x
  2. Step 2: Convert to fraction form
    5,214,520.25/7,824,022.40 = 2,520,870.95/x
  3. Step 3: Cross multiply
    5,214,520.25x = 7,824,022.40 × 2,520,870.95
  4. Step 4: Simplify right side
    5,214,520.25x = 19,723,350,780,309.28
  5. Step 5: Solve for x
    x = 19,723,350,780,309.28/5,214,520.25
  6. Step 6: Final answer
    x = 3,782,390.29

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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.