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Finding the Fourth Proportional to 5,489,984.90, 8,229,072.45 and 2,076,952.70

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Solution

The fourth proportional to 5,489,984.90, 8,229,072.45 and 2,076,952.70 is: 3,113,195.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489,984.90 : 8,229,072.45 = 2,076,952.70 : x
  2. Step 2: Convert to fraction form
    5,489,984.90/8,229,072.45 = 2,076,952.70/x
  3. Step 3: Cross multiply
    5,489,984.90x = 8,229,072.45 × 2,076,952.70
  4. Step 4: Simplify right side
    5,489,984.90x = 17,091,394,243,523.12
  5. Step 5: Solve for x
    x = 17,091,394,243,523.12/5,489,984.90
  6. Step 6: Final answer
    x = 3,113,195.13

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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.