Home / 3,005,643.80-4,147,947.42-1,647,574.04

Finding the Fourth Proportional to 3,005,643.80, 4,147,947.42 and 1,647,574.04

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Solution

The fourth proportional to 3,005,643.80, 4,147,947.42 and 1,647,574.04 is: 2,273,739.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,643.80 : 4,147,947.42 = 1,647,574.04 : x
  2. Step 2: Convert to fraction form
    3,005,643.80/4,147,947.42 = 1,647,574.04/x
  3. Step 3: Cross multiply
    3,005,643.80x = 4,147,947.42 × 1,647,574.04
  4. Step 4: Simplify right side
    3,005,643.80x = 6,834,050,488,476.98
  5. Step 5: Solve for x
    x = 6,834,050,488,476.98/3,005,643.80
  6. Step 6: Final answer
    x = 2,273,739.32

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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.