Home / 2,183,143.80-3,274,715.70-2,085,166.20

Finding the Fourth Proportional to 2,183,143.80, 3,274,715.70 and 2,085,166.20

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Solution

The fourth proportional to 2,183,143.80, 3,274,715.70 and 2,085,166.20 is: 3,127,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,143.80 : 3,274,715.70 = 2,085,166.20 : x
  2. Step 2: Convert to fraction form
    2,183,143.80/3,274,715.70 = 2,085,166.20/x
  3. Step 3: Cross multiply
    2,183,143.80x = 3,274,715.70 × 2,085,166.20
  4. Step 4: Simplify right side
    2,183,143.80x = 6,828,326,492,249.34
  5. Step 5: Solve for x
    x = 6,828,326,492,249.34/2,183,143.80
  6. Step 6: Final answer
    x = 3,127,749.30

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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.