Home / 1,880,616.57-2,821,121.69-618,542.61

Finding the Fourth Proportional to 1,880,616.57, 2,821,121.69 and 618,542.61

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Solution

The fourth proportional to 1,880,616.57, 2,821,121.69 and 618,542.61 is: 927,878.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,616.57 : 2,821,121.69 = 618,542.61 : x
  2. Step 2: Convert to fraction form
    1,880,616.57/2,821,121.69 = 618,542.61/x
  3. Step 3: Cross multiply
    1,880,616.57x = 2,821,121.69 × 618,542.61
  4. Step 4: Simplify right side
    1,880,616.57x = 1,744,983,970,167.50
  5. Step 5: Solve for x
    x = 1,744,983,970,167.50/1,880,616.57
  6. Step 6: Final answer
    x = 927,878.65

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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.