Home / 6,120,351.78-9,180,195.43-1,860,187.86

Finding the Fourth Proportional to 6,120,351.78, 9,180,195.43 and 1,860,187.86

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Solution

The fourth proportional to 6,120,351.78, 9,180,195.43 and 1,860,187.86 is: 2,790,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,351.78 : 9,180,195.43 = 1,860,187.86 : x
  2. Step 2: Convert to fraction form
    6,120,351.78/9,180,195.43 = 1,860,187.86/x
  3. Step 3: Cross multiply
    6,120,351.78x = 9,180,195.43 × 1,860,187.86
  4. Step 4: Simplify right side
    6,120,351.78x = 17,076,888,091,313.48
  5. Step 5: Solve for x
    x = 17,076,888,091,313.48/6,120,351.78
  6. Step 6: Final answer
    x = 2,790,180.81

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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.