Home / 3,848,510.96-5,310,865.68-2,129,630.48

Finding the Fourth Proportional to 3,848,510.96, 5,310,865.68 and 2,129,630.48

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Solution

The fourth proportional to 3,848,510.96, 5,310,865.68 and 2,129,630.48 is: 2,938,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848,510.96 : 5,310,865.68 = 2,129,630.48 : x
  2. Step 2: Convert to fraction form
    3,848,510.96/5,310,865.68 = 2,129,630.48/x
  3. Step 3: Cross multiply
    3,848,510.96x = 5,310,865.68 × 2,129,630.48
  4. Step 4: Simplify right side
    3,848,510.96x = 11,310,181,427,313.93
  5. Step 5: Solve for x
    x = 11,310,181,427,313.93/3,848,510.96
  6. Step 6: Final answer
    x = 2,938,846.10

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Double scale
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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.