Home / 2,641,965.40-3,647,028.54-1,783,688.32

Finding the Fourth Proportional to 2,641,965.40, 3,647,028.54 and 1,783,688.32

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Solution

The fourth proportional to 2,641,965.40, 3,647,028.54 and 1,783,688.32 is: 2,462,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641,965.40 : 3,647,028.54 = 1,783,688.32 : x
  2. Step 2: Convert to fraction form
    2,641,965.40/3,647,028.54 = 1,783,688.32/x
  3. Step 3: Cross multiply
    2,641,965.40x = 3,647,028.54 × 1,783,688.32
  4. Step 4: Simplify right side
    2,641,965.40x = 6,505,162,209,504.65
  5. Step 5: Solve for x
    x = 6,505,162,209,504.65/2,641,965.40
  6. Step 6: Final answer
    x = 2,462,243.53

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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.