Home / 3,894,889.68-5,375,057.40-2,176,199.28

Finding the Fourth Proportional to 3,894,889.68, 5,375,057.40 and 2,176,199.28

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Solution

The fourth proportional to 3,894,889.68, 5,375,057.40 and 2,176,199.28 is: 3,003,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894,889.68 : 5,375,057.40 = 2,176,199.28 : x
  2. Step 2: Convert to fraction form
    3,894,889.68/5,375,057.40 = 2,176,199.28/x
  3. Step 3: Cross multiply
    3,894,889.68x = 5,375,057.40 × 2,176,199.28
  4. Step 4: Simplify right side
    3,894,889.68x = 11,697,196,043,838.67
  5. Step 5: Solve for x
    x = 11,697,196,043,838.67/3,894,889.68
  6. Step 6: Final answer
    x = 3,003,216.27

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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.