Home / 3,640,409.87-5,023,761.75-2,008,816.74

Finding the Fourth Proportional to 3,640,409.87, 5,023,761.75 and 2,008,816.74

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Solution

The fourth proportional to 3,640,409.87, 5,023,761.75 and 2,008,816.74 is: 2,772,164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,409.87 : 5,023,761.75 = 2,008,816.74 : x
  2. Step 2: Convert to fraction form
    3,640,409.87/5,023,761.75 = 2,008,816.74/x
  3. Step 3: Cross multiply
    3,640,409.87x = 5,023,761.75 × 2,008,816.74
  4. Step 4: Simplify right side
    3,640,409.87x = 10,091,816,701,171.70
  5. Step 5: Solve for x
    x = 10,091,816,701,171.70/3,640,409.87
  6. Step 6: Final answer
    x = 2,772,164.97

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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.