Home / 2,183,431.40-3,275,147.10-1,678,963.40

Finding the Fourth Proportional to 2,183,431.40, 3,275,147.10 and 1,678,963.40

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Solution

The fourth proportional to 2,183,431.40, 3,275,147.10 and 1,678,963.40 is: 2,518,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,431.40 : 3,275,147.10 = 1,678,963.40 : x
  2. Step 2: Convert to fraction form
    2,183,431.40/3,275,147.10 = 1,678,963.40/x
  3. Step 3: Cross multiply
    2,183,431.40x = 3,275,147.10 × 1,678,963.40
  4. Step 4: Simplify right side
    2,183,431.40x = 5,498,852,110,516.14
  5. Step 5: Solve for x
    x = 5,498,852,110,516.14/2,183,431.40
  6. Step 6: Final answer
    x = 2,518,445.10

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.