Home / 3,476,709.70-5,215,064.55-2,279,327.20

Finding the Fourth Proportional to 3,476,709.70, 5,215,064.55 and 2,279,327.20

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Solution

The fourth proportional to 3,476,709.70, 5,215,064.55 and 2,279,327.20 is: 3,418,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476,709.70 : 5,215,064.55 = 2,279,327.20 : x
  2. Step 2: Convert to fraction form
    3,476,709.70/5,215,064.55 = 2,279,327.20/x
  3. Step 3: Cross multiply
    3,476,709.70x = 5,215,064.55 × 2,279,327.20
  4. Step 4: Simplify right side
    3,476,709.70x = 11,886,838,478,570.76
  5. Step 5: Solve for x
    x = 11,886,838,478,570.76/3,476,709.70
  6. Step 6: Final answer
    x = 3,418,990.80

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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.