Home / 2,853,021.87-3,934,874.46-2,508,120.35

Finding the Fourth Proportional to 2,853,021.87, 3,934,874.46 and 2,508,120.35

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Solution

The fourth proportional to 2,853,021.87, 3,934,874.46 and 2,508,120.35 is: 3,459,187.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853,021.87 : 3,934,874.46 = 2,508,120.35 : x
  2. Step 2: Convert to fraction form
    2,853,021.87/3,934,874.46 = 2,508,120.35/x
  3. Step 3: Cross multiply
    2,853,021.87x = 3,934,874.46 × 2,508,120.35
  4. Step 4: Simplify right side
    2,853,021.87x = 9,869,138,706,037.82
  5. Step 5: Solve for x
    x = 9,869,138,706,037.82/2,853,021.87
  6. Step 6: Final answer
    x = 3,459,187.89

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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.