Home / 2,643,662.53-3,965,703.89-1,127,358.41

Finding the Fourth Proportional to 2,643,662.53, 3,965,703.89 and 1,127,358.41

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Solution

The fourth proportional to 2,643,662.53, 3,965,703.89 and 1,127,358.41 is: 1,691,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,662.53 : 3,965,703.89 = 1,127,358.41 : x
  2. Step 2: Convert to fraction form
    2,643,662.53/3,965,703.89 = 1,127,358.41/x
  3. Step 3: Cross multiply
    2,643,662.53x = 3,965,703.89 × 1,127,358.41
  4. Step 4: Simplify right side
    2,643,662.53x = 4,470,769,631,961.22
  5. Step 5: Solve for x
    x = 4,470,769,631,961.22/2,643,662.53
  6. Step 6: Final answer
    x = 1,691,127.21

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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.