Home / 3,689,936.64-5,536,503.51-1,982,087.33

Finding the Fourth Proportional to 3,689,936.64, 5,536,503.51 and 1,982,087.33

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Solution

The fourth proportional to 3,689,936.64, 5,536,503.51 and 1,982,087.33 is: 2,973,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,936.64 : 5,536,503.51 = 1,982,087.33 : x
  2. Step 2: Convert to fraction form
    3,689,936.64/5,536,503.51 = 1,982,087.33/x
  3. Step 3: Cross multiply
    3,689,936.64x = 5,536,503.51 × 1,982,087.33
  4. Step 4: Simplify right side
    3,689,936.64x = 10,973,833,431,989.01
  5. Step 5: Solve for x
    x = 10,973,833,431,989.01/3,689,936.64
  6. Step 6: Final answer
    x = 2,973,989.67

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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.