Home / 2,783,020.72-4,169,738.16-2,175,572.68

Finding the Fourth Proportional to 2,783,020.72, 4,169,738.16 and 2,175,572.68

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Solution

The fourth proportional to 2,783,020.72, 4,169,738.16 and 2,175,572.68 is: 3,259,612.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,020.72 : 4,169,738.16 = 2,175,572.68 : x
  2. Step 2: Convert to fraction form
    2,783,020.72/4,169,738.16 = 2,175,572.68/x
  3. Step 3: Cross multiply
    2,783,020.72x = 4,169,738.16 × 2,175,572.68
  4. Step 4: Simplify right side
    2,783,020.72x = 9,071,568,423,649.47
  5. Step 5: Solve for x
    x = 9,071,568,423,649.47/2,783,020.72
  6. Step 6: Final answer
    x = 3,259,612.25

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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.