Home / 6,120,350.78-9,180,193.93-1,860,186.86

Finding the Fourth Proportional to 6,120,350.78, 9,180,193.93 and 1,860,186.86

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Solution

The fourth proportional to 6,120,350.78, 9,180,193.93 and 1,860,186.86 is: 2,790,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,350.78 : 9,180,193.93 = 1,860,186.86 : x
  2. Step 2: Convert to fraction form
    6,120,350.78/9,180,193.93 = 1,860,186.86/x
  3. Step 3: Cross multiply
    6,120,350.78x = 9,180,193.93 × 1,860,186.86
  4. Step 4: Simplify right side
    6,120,350.78x = 17,076,876,120,837.76
  5. Step 5: Solve for x
    x = 17,076,876,120,837.76/6,120,350.78
  6. Step 6: Final answer
    x = 2,790,179.31

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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.