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Finding the Fourth Proportional to 6,658,504.04, 9,188,778.50 and 3,904,630.92

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Solution

The fourth proportional to 6,658,504.04, 9,188,778.50 and 3,904,630.92 is: 5,388,415.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658,504.04 : 9,188,778.50 = 3,904,630.92 : x
  2. Step 2: Convert to fraction form
    6,658,504.04/9,188,778.50 = 3,904,630.92/x
  3. Step 3: Cross multiply
    6,658,504.04x = 9,188,778.50 × 3,904,630.92
  4. Step 4: Simplify right side
    6,658,504.04x = 35,878,788,648,131.22
  5. Step 5: Solve for x
    x = 35,878,788,648,131.22/6,658,504.04
  6. Step 6: Final answer
    x = 5,388,415.84

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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.