Home / 3,108,662-4,659,880.04-1,212,795.12

Finding the Fourth Proportional to 3,108,662, 4,659,880.04 and 1,212,795.12

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Solution

The fourth proportional to 3,108,662, 4,659,880.04 and 1,212,795.12 is: 1,817,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,662 : 4,659,880.04 = 1,212,795.12 : x
  2. Step 2: Convert to fraction form
    3,108,662/4,659,880.04 = 1,212,795.12/x
  3. Step 3: Cross multiply
    3,108,662x = 4,659,880.04 × 1,212,795.12
  4. Step 4: Simplify right side
    3,108,662x = 5,651,479,772,297.41
  5. Step 5: Solve for x
    x = 5,651,479,772,297.41/3,108,662
  6. Step 6: Final answer
    x = 1,817,978.21

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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.