Home / 3,800,853.84-5,245,262.76-2,169,228.72

Finding the Fourth Proportional to 3,800,853.84, 5,245,262.76 and 2,169,228.72

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Solution

The fourth proportional to 3,800,853.84, 5,245,262.76 and 2,169,228.72 is: 2,993,583.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800,853.84 : 5,245,262.76 = 2,169,228.72 : x
  2. Step 2: Convert to fraction form
    3,800,853.84/5,245,262.76 = 2,169,228.72/x
  3. Step 3: Cross multiply
    3,800,853.84x = 5,245,262.76 × 2,169,228.72
  4. Step 4: Simplify right side
    3,800,853.84x = 11,378,174,622,938.47
  5. Step 5: Solve for x
    x = 11,378,174,622,938.47/3,800,853.84
  6. Step 6: Final answer
    x = 2,993,583.84

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.