Home / 5,440,813.40-8,154,221.70-3,308,634.20

Finding the Fourth Proportional to 5,440,813.40, 8,154,221.70 and 3,308,634.20

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Solution

The fourth proportional to 5,440,813.40, 8,154,221.70 and 3,308,634.20 is: 4,958,695.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440,813.40 : 8,154,221.70 = 3,308,634.20 : x
  2. Step 2: Convert to fraction form
    5,440,813.40/8,154,221.70 = 3,308,634.20/x
  3. Step 3: Cross multiply
    5,440,813.40x = 8,154,221.70 × 3,308,634.20
  4. Step 4: Simplify right side
    5,440,813.40x = 26,979,336,791,002.14
  5. Step 5: Solve for x
    x = 26,979,336,791,002.14/5,440,813.40
  6. Step 6: Final answer
    x = 4,958,695.48

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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.