Home / 4,747,996.80-7,121,822.40-1,907,337.60

Finding the Fourth Proportional to 4,747,996.80, 7,121,822.40 and 1,907,337.60

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Solution

The fourth proportional to 4,747,996.80, 7,121,822.40 and 1,907,337.60 is: 2,860,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747,996.80 : 7,121,822.40 = 1,907,337.60 : x
  2. Step 2: Convert to fraction form
    4,747,996.80/7,121,822.40 = 1,907,337.60/x
  3. Step 3: Cross multiply
    4,747,996.80x = 7,121,822.40 × 1,907,337.60
  4. Step 4: Simplify right side
    4,747,996.80x = 13,583,719,644,042.24
  5. Step 5: Solve for x
    x = 13,583,719,644,042.24/4,747,996.80
  6. Step 6: Final answer
    x = 2,860,936.98

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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.