Home / 2,942,945.74-4,414,374.87-812,982.70

Finding the Fourth Proportional to 2,942,945.74, 4,414,374.87 and 812,982.70

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Solution

The fourth proportional to 2,942,945.74, 4,414,374.87 and 812,982.70 is: 1,219,461.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942,945.74 : 4,414,374.87 = 812,982.70 : x
  2. Step 2: Convert to fraction form
    2,942,945.74/4,414,374.87 = 812,982.70/x
  3. Step 3: Cross multiply
    2,942,945.74x = 4,414,374.87 × 812,982.70
  4. Step 4: Simplify right side
    2,942,945.74x = 3,588,810,400,624.75
  5. Step 5: Solve for x
    x = 3,588,810,400,624.75/2,942,945.74
  6. Step 6: Final answer
    x = 1,219,461.97

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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.