Home / 2,685,721.92-4,028,545.98-1,169,372.30

Finding the Fourth Proportional to 2,685,721.92, 4,028,545.98 and 1,169,372.30

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Solution

The fourth proportional to 2,685,721.92, 4,028,545.98 and 1,169,372.30 is: 1,754,042.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,721.92 : 4,028,545.98 = 1,169,372.30 : x
  2. Step 2: Convert to fraction form
    2,685,721.92/4,028,545.98 = 1,169,372.30/x
  3. Step 3: Cross multiply
    2,685,721.92x = 4,028,545.98 × 1,169,372.30
  4. Step 4: Simplify right side
    2,685,721.92x = 4,710,870,078,288.35
  5. Step 5: Solve for x
    x = 4,710,870,078,288.35/2,685,721.92
  6. Step 6: Final answer
    x = 1,754,042.38

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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.