Home / 2,819,174.13-4,228,723.40-689,276.61

Finding the Fourth Proportional to 2,819,174.13, 4,228,723.40 and 689,276.61

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Solution

The fourth proportional to 2,819,174.13, 4,228,723.40 and 689,276.61 is: 1,033,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,174.13 : 4,228,723.40 = 689,276.61 : x
  2. Step 2: Convert to fraction form
    2,819,174.13/4,228,723.40 = 689,276.61/x
  3. Step 3: Cross multiply
    2,819,174.13x = 4,228,723.40 × 689,276.61
  4. Step 4: Simplify right side
    2,819,174.13x = 2,914,760,126,333.29
  5. Step 5: Solve for x
    x = 2,914,760,126,333.29/2,819,174.13
  6. Step 6: Final answer
    x = 1,033,905.67

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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.