Home / 2,145,103.40-3,218,087.10-628,783.40

Finding the Fourth Proportional to 2,145,103.40, 3,218,087.10 and 628,783.40

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Solution

The fourth proportional to 2,145,103.40, 3,218,087.10 and 628,783.40 is: 943,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,103.40 : 3,218,087.10 = 628,783.40 : x
  2. Step 2: Convert to fraction form
    2,145,103.40/3,218,087.10 = 628,783.40/x
  3. Step 3: Cross multiply
    2,145,103.40x = 3,218,087.10 × 628,783.40
  4. Step 4: Simplify right side
    2,145,103.40x = 2,023,479,748,234.14
  5. Step 5: Solve for x
    x = 2,023,479,748,234.14/2,145,103.40
  6. Step 6: Final answer
    x = 943,301.73

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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.