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Finding the Fourth Proportional to 2,189,098.70, 3,057,652.30 and 2,189,098.70

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Solution

The fourth proportional to 2,189,098.70, 3,057,652.30 and 2,189,098.70 is: 3,057,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,098.70 : 3,057,652.30 = 2,189,098.70 : x
  2. Step 2: Convert to fraction form
    2,189,098.70/3,057,652.30 = 2,189,098.70/x
  3. Step 3: Cross multiply
    2,189,098.70x = 3,057,652.30 × 2,189,098.70
  4. Step 4: Simplify right side
    2,189,098.70x = 6,693,502,674,982.01
  5. Step 5: Solve for x
    x = 6,693,502,674,982.01/2,189,098.70
  6. Step 6: Final answer
    x = 3,057,652.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.