Home / 5,214,518.25-7,824,019.40-2,520,868.95

Finding the Fourth Proportional to 5,214,518.25, 7,824,019.40 and 2,520,868.95

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Solution

The fourth proportional to 5,214,518.25, 7,824,019.40 and 2,520,868.95 is: 3,782,387.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,518.25 : 7,824,019.40 = 2,520,868.95 : x
  2. Step 2: Convert to fraction form
    5,214,518.25/7,824,019.40 = 2,520,868.95/x
  3. Step 3: Cross multiply
    5,214,518.25x = 7,824,019.40 × 2,520,868.95
  4. Step 4: Simplify right side
    5,214,518.25x = 19,723,327,557,053.29
  5. Step 5: Solve for x
    x = 19,723,327,557,053.29/5,214,518.25
  6. Step 6: Final answer
    x = 3,782,387.29

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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.