Home / 3,005,392.82-4,147,433.49-1,647,261.62

Finding the Fourth Proportional to 3,005,392.82, 4,147,433.49 and 1,647,261.62

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Solution

The fourth proportional to 3,005,392.82, 4,147,433.49 and 1,647,261.62 is: 2,273,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,392.82 : 4,147,433.49 = 1,647,261.62 : x
  2. Step 2: Convert to fraction form
    3,005,392.82/4,147,433.49 = 1,647,261.62/x
  3. Step 3: Cross multiply
    3,005,392.82x = 4,147,433.49 × 1,647,261.62
  4. Step 4: Simplify right side
    3,005,392.82x = 6,831,908,009,579.65
  5. Step 5: Solve for x
    x = 6,831,908,009,579.65/3,005,392.82
  6. Step 6: Final answer
    x = 2,273,216.32

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1.5x scale

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.