Home / 6,120,353.50-9,180,198.02-1,860,189.59

Finding the Fourth Proportional to 6,120,353.50, 9,180,198.02 and 1,860,189.59

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Solution

The fourth proportional to 6,120,353.50, 9,180,198.02 and 1,860,189.59 is: 2,790,183.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,353.50 : 9,180,198.02 = 1,860,189.59 : x
  2. Step 2: Convert to fraction form
    6,120,353.50/9,180,198.02 = 1,860,189.59/x
  3. Step 3: Cross multiply
    6,120,353.50x = 9,180,198.02 × 1,860,189.59
  4. Step 4: Simplify right side
    6,120,353.50x = 17,076,908,818,543.58
  5. Step 5: Solve for x
    x = 17,076,908,818,543.58/6,120,353.50
  6. Step 6: Final answer
    x = 2,790,183.41

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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.