Home / 3,840,403.10-5,299,917.29-2,208,810.92

Finding the Fourth Proportional to 3,840,403.10, 5,299,917.29 and 2,208,810.92

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Solution

The fourth proportional to 3,840,403.10, 5,299,917.29 and 2,208,810.92 is: 3,048,251.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,403.10 : 5,299,917.29 = 2,208,810.92 : x
  2. Step 2: Convert to fraction form
    3,840,403.10/5,299,917.29 = 2,208,810.92/x
  3. Step 3: Cross multiply
    3,840,403.10x = 5,299,917.29 × 2,208,810.92
  4. Step 4: Simplify right side
    3,840,403.10x = 11,706,515,147,705.17
  5. Step 5: Solve for x
    x = 11,706,515,147,705.17/3,840,403.10
  6. Step 6: Final answer
    x = 3,048,251.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.