Home / 2,643,203.67-3,647,550.20-1,555,539.32

Finding the Fourth Proportional to 2,643,203.67, 3,647,550.20 and 1,555,539.32

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Solution

The fourth proportional to 2,643,203.67, 3,647,550.20 and 1,555,539.32 is: 2,146,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,203.67 : 3,647,550.20 = 1,555,539.32 : x
  2. Step 2: Convert to fraction form
    2,643,203.67/3,647,550.20 = 1,555,539.32/x
  3. Step 3: Cross multiply
    2,643,203.67x = 3,647,550.20 × 1,555,539.32
  4. Step 4: Simplify right side
    2,643,203.67x = 5,673,907,731,758.42
  5. Step 5: Solve for x
    x = 5,673,907,731,758.42/2,643,203.67
  6. Step 6: Final answer
    x = 2,146,602.55

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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.