Home / 5,261,854.80-7,890,449.40-2,422,837.20

Finding the Fourth Proportional to 5,261,854.80, 7,890,449.40 and 2,422,837.20

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Solution

The fourth proportional to 5,261,854.80, 7,890,449.40 and 2,422,837.20 is: 3,633,181.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261,854.80 : 7,890,449.40 = 2,422,837.20 : x
  2. Step 2: Convert to fraction form
    5,261,854.80/7,890,449.40 = 2,422,837.20/x
  3. Step 3: Cross multiply
    5,261,854.80x = 7,890,449.40 × 2,422,837.20
  4. Step 4: Simplify right side
    5,261,854.80x = 19,117,274,331,037.68
  5. Step 5: Solve for x
    x = 19,117,274,331,037.68/5,261,854.80
  6. Step 6: Final answer
    x = 3,633,181.66

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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.