Home / 2,391,642.39-3,586,408.09-685,398.45

Finding the Fourth Proportional to 2,391,642.39, 3,586,408.09 and 685,398.45

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Solution

The fourth proportional to 2,391,642.39, 3,586,408.09 and 685,398.45 is: 1,027,795.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,642.39 : 3,586,408.09 = 685,398.45 : x
  2. Step 2: Convert to fraction form
    2,391,642.39/3,586,408.09 = 685,398.45/x
  3. Step 3: Cross multiply
    2,391,642.39x = 3,586,408.09 × 685,398.45
  4. Step 4: Simplify right side
    2,391,642.39x = 2,458,118,544,239.96
  5. Step 5: Solve for x
    x = 2,458,118,544,239.96/2,391,642.39
  6. Step 6: Final answer
    x = 1,027,795.19

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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.