Home / 3,860,991.28-5,330,663.91-2,392,458.20

Finding the Fourth Proportional to 3,860,991.28, 5,330,663.91 and 2,392,458.20

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Solution

The fourth proportional to 3,860,991.28, 5,330,663.91 and 2,392,458.20 is: 3,303,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,991.28 : 5,330,663.91 = 2,392,458.20 : x
  2. Step 2: Convert to fraction form
    3,860,991.28/5,330,663.91 = 2,392,458.20/x
  3. Step 3: Cross multiply
    3,860,991.28x = 5,330,663.91 × 2,392,458.20
  4. Step 4: Simplify right side
    3,860,991.28x = 12,753,390,576,260.23
  5. Step 5: Solve for x
    x = 12,753,390,576,260.23/3,860,991.28
  6. Step 6: Final answer
    x = 3,303,138.92

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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.