Home / 3,685,942.92-5,528,540.64-989,917.92

Finding the Fourth Proportional to 3,685,942.92, 5,528,540.64 and 989,917.92

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Solution

The fourth proportional to 3,685,942.92, 5,528,540.64 and 989,917.92 is: 1,484,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685,942.92 : 5,528,540.64 = 989,917.92 : x
  2. Step 2: Convert to fraction form
    3,685,942.92/5,528,540.64 = 989,917.92/x
  3. Step 3: Cross multiply
    3,685,942.92x = 5,528,540.64 × 989,917.92
  4. Step 4: Simplify right side
    3,685,942.92x = 5,472,801,450,984.27
  5. Step 5: Solve for x
    x = 5,472,801,450,984.27/3,685,942.92
  6. Step 6: Final answer
    x = 1,484,776.51

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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.