Home / 3,119,258.20-4,678,231.20-1,322,200.30

Finding the Fourth Proportional to 3,119,258.20, 4,678,231.20 and 1,322,200.30

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Solution

The fourth proportional to 3,119,258.20, 4,678,231.20 and 1,322,200.30 is: 1,983,022.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,258.20 : 4,678,231.20 = 1,322,200.30 : x
  2. Step 2: Convert to fraction form
    3,119,258.20/4,678,231.20 = 1,322,200.30/x
  3. Step 3: Cross multiply
    3,119,258.20x = 4,678,231.20 × 1,322,200.30
  4. Step 4: Simplify right side
    3,119,258.20x = 6,185,558,696,109.36
  5. Step 5: Solve for x
    x = 6,185,558,696,109.36/3,119,258.20
  6. Step 6: Final answer
    x = 1,983,022.34

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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.