Home / 3,516,889.84-5,274,596.50-991,954.60

Finding the Fourth Proportional to 3,516,889.84, 5,274,596.50 and 991,954.60

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Solution

The fourth proportional to 3,516,889.84, 5,274,596.50 and 991,954.60 is: 1,487,723.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,889.84 : 5,274,596.50 = 991,954.60 : x
  2. Step 2: Convert to fraction form
    3,516,889.84/5,274,596.50 = 991,954.60/x
  3. Step 3: Cross multiply
    3,516,889.84x = 5,274,596.50 × 991,954.60
  4. Step 4: Simplify right side
    3,516,889.84x = 5,232,160,261,318.90
  5. Step 5: Solve for x
    x = 5,232,160,261,318.90/3,516,889.84
  6. Step 6: Final answer
    x = 1,487,723.67

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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.