Home / 6,228,809.40-9,343,214.10-2,189,857.80

Finding the Fourth Proportional to 6,228,809.40, 9,343,214.10 and 2,189,857.80

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Solution

The fourth proportional to 6,228,809.40, 9,343,214.10 and 2,189,857.80 is: 3,284,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,228,809.40 : 9,343,214.10 = 2,189,857.80 : x
  2. Step 2: Convert to fraction form
    6,228,809.40/9,343,214.10 = 2,189,857.80/x
  3. Step 3: Cross multiply
    6,228,809.40x = 9,343,214.10 × 2,189,857.80
  4. Step 4: Simplify right side
    6,228,809.40x = 20,460,310,273,954.98
  5. Step 5: Solve for x
    x = 20,460,310,273,954.98/6,228,809.40
  6. Step 6: Final answer
    x = 3,284,786.70

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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.