Home / 6,294,645.62-8,685,840.37-3,970,665.61

Finding the Fourth Proportional to 6,294,645.62, 8,685,840.37 and 3,970,665.61

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Solution

The fourth proportional to 6,294,645.62, 8,685,840.37 and 3,970,665.61 is: 5,479,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,294,645.62 : 8,685,840.37 = 3,970,665.61 : x
  2. Step 2: Convert to fraction form
    6,294,645.62/8,685,840.37 = 3,970,665.61/x
  3. Step 3: Cross multiply
    6,294,645.62x = 8,685,840.37 × 3,970,665.61
  4. Step 4: Simplify right side
    6,294,645.62x = 34,488,567,686,937.76
  5. Step 5: Solve for x
    x = 34,488,567,686,937.76/6,294,645.62
  6. Step 6: Final answer
    x = 5,479,032.46

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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.