Home / 5,118,745.12-7,679,552.58-2,240,362.78

Finding the Fourth Proportional to 5,118,745.12, 7,679,552.58 and 2,240,362.78

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Solution

The fourth proportional to 5,118,745.12, 7,679,552.58 and 2,240,362.78 is: 3,361,172.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118,745.12 : 7,679,552.58 = 2,240,362.78 : x
  2. Step 2: Convert to fraction form
    5,118,745.12/7,679,552.58 = 2,240,362.78/x
  3. Step 3: Cross multiply
    5,118,745.12x = 7,679,552.58 × 2,240,362.78
  4. Step 4: Simplify right side
    5,118,745.12x = 17,204,983,767,284.97
  5. Step 5: Solve for x
    x = 17,204,983,767,284.97/5,118,745.12
  6. Step 6: Final answer
    x = 3,361,172.19

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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.