Home / 2,154,212.54-3,231,309.09-556,639.82

Finding the Fourth Proportional to 2,154,212.54, 3,231,309.09 and 556,639.82

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Solution

The fourth proportional to 2,154,212.54, 3,231,309.09 and 556,639.82 is: 834,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,212.54 : 3,231,309.09 = 556,639.82 : x
  2. Step 2: Convert to fraction form
    2,154,212.54/3,231,309.09 = 556,639.82/x
  3. Step 3: Cross multiply
    2,154,212.54x = 3,231,309.09 × 556,639.82
  4. Step 4: Simplify right side
    2,154,212.54x = 1,798,675,310,221.96
  5. Step 5: Solve for x
    x = 1,798,675,310,221.96/2,154,212.54
  6. Step 6: Final answer
    x = 834,957.22

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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.