Home / 3,889,749.80-5,832,000.30-1,868,961.80

Finding the Fourth Proportional to 3,889,749.80, 5,832,000.30 and 1,868,961.80

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Solution

The fourth proportional to 3,889,749.80, 5,832,000.30 and 1,868,961.80 is: 2,802,181.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,749.80 : 5,832,000.30 = 1,868,961.80 : x
  2. Step 2: Convert to fraction form
    3,889,749.80/5,832,000.30 = 1,868,961.80/x
  3. Step 3: Cross multiply
    3,889,749.80x = 5,832,000.30 × 1,868,961.80
  4. Step 4: Simplify right side
    3,889,749.80x = 10,899,785,778,288.54
  5. Step 5: Solve for x
    x = 10,899,785,778,288.54/3,889,749.80
  6. Step 6: Final answer
    x = 2,802,181.72

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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.