Home / 3,897,267.21-5,378,117.41-2,154,906.59

Finding the Fourth Proportional to 3,897,267.21, 5,378,117.41 and 2,154,906.59

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Solution

The fourth proportional to 3,897,267.21, 5,378,117.41 and 2,154,906.59 is: 2,973,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897,267.21 : 5,378,117.41 = 2,154,906.59 : x
  2. Step 2: Convert to fraction form
    3,897,267.21/5,378,117.41 = 2,154,906.59/x
  3. Step 3: Cross multiply
    3,897,267.21x = 5,378,117.41 × 2,154,906.59
  4. Step 4: Simplify right side
    3,897,267.21x = 11,589,340,624,405.78
  5. Step 5: Solve for x
    x = 11,589,340,624,405.78/3,897,267.21
  6. Step 6: Final answer
    x = 2,973,709.53

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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.