Home / 2,021,856.62-3,031,770.78-673,545.20

Finding the Fourth Proportional to 2,021,856.62, 3,031,770.78 and 673,545.20

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Solution

The fourth proportional to 2,021,856.62, 3,031,770.78 and 673,545.20 is: 1,009,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,856.62 : 3,031,770.78 = 673,545.20 : x
  2. Step 2: Convert to fraction form
    2,021,856.62/3,031,770.78 = 673,545.20/x
  3. Step 3: Cross multiply
    2,021,856.62x = 3,031,770.78 × 673,545.20
  4. Step 4: Simplify right side
    2,021,856.62x = 2,042,034,641,210.40
  5. Step 5: Solve for x
    x = 2,042,034,641,210.40/2,021,856.62
  6. Step 6: Final answer
    x = 1,009,979.95

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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.