Home / 3,914,647.28-5,402,202.19-2,172,579.67

Finding the Fourth Proportional to 3,914,647.28, 5,402,202.19 and 2,172,579.67

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Solution

The fourth proportional to 3,914,647.28, 5,402,202.19 and 2,172,579.67 is: 2,998,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914,647.28 : 5,402,202.19 = 2,172,579.67 : x
  2. Step 2: Convert to fraction form
    3,914,647.28/5,402,202.19 = 2,172,579.67/x
  3. Step 3: Cross multiply
    3,914,647.28x = 5,402,202.19 × 2,172,579.67
  4. Step 4: Simplify right side
    3,914,647.28x = 11,736,714,652,544.78
  5. Step 5: Solve for x
    x = 11,736,714,652,544.78/3,914,647.28
  6. Step 6: Final answer
    x = 2,998,153.81

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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.