Home / 3,929,944.40-5,423,267.72-2,211,060.82

Finding the Fourth Proportional to 3,929,944.40, 5,423,267.72 and 2,211,060.82

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Solution

The fourth proportional to 3,929,944.40, 5,423,267.72 and 2,211,060.82 is: 3,051,232.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,944.40 : 5,423,267.72 = 2,211,060.82 : x
  2. Step 2: Convert to fraction form
    3,929,944.40/5,423,267.72 = 2,211,060.82/x
  3. Step 3: Cross multiply
    3,929,944.40x = 5,423,267.72 × 2,211,060.82
  4. Step 4: Simplify right side
    3,929,944.40x = 11,991,174,764,032.21
  5. Step 5: Solve for x
    x = 11,991,174,764,032.21/3,929,944.40
  6. Step 6: Final answer
    x = 3,051,232.67

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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.