Home / 3,653,409.87-5,041,719.09-1,976,993.28

Finding the Fourth Proportional to 3,653,409.87, 5,041,719.09 and 1,976,993.28

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Solution

The fourth proportional to 3,653,409.87, 5,041,719.09 and 1,976,993.28 is: 2,728,258.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653,409.87 : 5,041,719.09 = 1,976,993.28 : x
  2. Step 2: Convert to fraction form
    3,653,409.87/5,041,719.09 = 1,976,993.28/x
  3. Step 3: Cross multiply
    3,653,409.87x = 5,041,719.09 × 1,976,993.28
  4. Step 4: Simplify right side
    3,653,409.87x = 9,967,444,760,577.72
  5. Step 5: Solve for x
    x = 9,967,444,760,577.72/3,653,409.87
  6. Step 6: Final answer
    x = 2,728,258.02

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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.