Home / 6,120,350.72-9,180,193.85-1,860,186.81

Finding the Fourth Proportional to 6,120,350.72, 9,180,193.85 and 1,860,186.81

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Solution

The fourth proportional to 6,120,350.72, 9,180,193.85 and 1,860,186.81 is: 2,790,179.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,350.72 : 9,180,193.85 = 1,860,186.81 : x
  2. Step 2: Convert to fraction form
    6,120,350.72/9,180,193.85 = 1,860,186.81/x
  3. Step 3: Cross multiply
    6,120,350.72x = 9,180,193.85 × 1,860,186.81
  4. Step 4: Simplify right side
    6,120,350.72x = 17,076,875,467,112.15
  5. Step 5: Solve for x
    x = 17,076,875,467,112.15/6,120,350.72
  6. Step 6: Final answer
    x = 2,790,179.23

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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.