Home / 5,705,105.81-8,555,850.28-1,866,040.54

Finding the Fourth Proportional to 5,705,105.81, 8,555,850.28 and 1,866,040.54

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Solution

The fourth proportional to 5,705,105.81, 8,555,850.28 and 1,866,040.54 is: 2,798,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705,105.81 : 8,555,850.28 = 1,866,040.54 : x
  2. Step 2: Convert to fraction form
    5,705,105.81/8,555,850.28 = 1,866,040.54/x
  3. Step 3: Cross multiply
    5,705,105.81x = 8,555,850.28 × 1,866,040.54
  4. Step 4: Simplify right side
    5,705,105.81x = 15,965,563,457,593.28
  5. Step 5: Solve for x
    x = 15,965,563,457,593.28/5,705,105.81
  6. Step 6: Final answer
    x = 2,798,469.30

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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.