Home / 2,391,643.14-3,586,409.21-685,399.20

Finding the Fourth Proportional to 2,391,643.14, 3,586,409.21 and 685,399.20

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Solution

The fourth proportional to 2,391,643.14, 3,586,409.21 and 685,399.20 is: 1,027,796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,643.14 : 3,586,409.21 = 685,399.20 : x
  2. Step 2: Convert to fraction form
    2,391,643.14/3,586,409.21 = 685,399.20/x
  3. Step 3: Cross multiply
    2,391,643.14x = 3,586,409.21 × 685,399.20
  4. Step 4: Simplify right side
    2,391,643.14x = 2,458,121,999,979.64
  5. Step 5: Solve for x
    x = 2,458,121,999,979.64/2,391,643.14
  6. Step 6: Final answer
    x = 1,027,796.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.