Home / 3,885,691.76-5,362,289.52-2,143,427.84

Finding the Fourth Proportional to 3,885,691.76, 5,362,289.52 and 2,143,427.84

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Solution

The fourth proportional to 3,885,691.76, 5,362,289.52 and 2,143,427.84 is: 2,957,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,691.76 : 5,362,289.52 = 2,143,427.84 : x
  2. Step 2: Convert to fraction form
    3,885,691.76/5,362,289.52 = 2,143,427.84/x
  3. Step 3: Cross multiply
    3,885,691.76x = 5,362,289.52 × 2,143,427.84
  4. Step 4: Simplify right side
    3,885,691.76x = 11,493,680,643,308.23
  5. Step 5: Solve for x
    x = 11,493,680,643,308.23/3,885,691.76
  6. Step 6: Final answer
    x = 2,957,949.67

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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.