Home / 3,240,238.45-4,860,340.10-1,321,142.19

Finding the Fourth Proportional to 3,240,238.45, 4,860,340.10 and 1,321,142.19

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Solution

The fourth proportional to 3,240,238.45, 4,860,340.10 and 1,321,142.19 is: 1,981,706.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,238.45 : 4,860,340.10 = 1,321,142.19 : x
  2. Step 2: Convert to fraction form
    3,240,238.45/4,860,340.10 = 1,321,142.19/x
  3. Step 3: Cross multiply
    3,240,238.45x = 4,860,340.10 × 1,321,142.19
  4. Step 4: Simplify right side
    3,240,238.45x = 6,421,200,363,858.82
  5. Step 5: Solve for x
    x = 6,421,200,363,858.82/3,240,238.45
  6. Step 6: Final answer
    x = 1,981,706.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.