Home / 2,189,092.20-3,278,108.70-1,437,066.60

Finding the Fourth Proportional to 2,189,092.20, 3,278,108.70 and 1,437,066.60

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Solution

The fourth proportional to 2,189,092.20, 3,278,108.70 and 1,437,066.60 is: 2,151,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,092.20 : 3,278,108.70 = 1,437,066.60 : x
  2. Step 2: Convert to fraction form
    2,189,092.20/3,278,108.70 = 1,437,066.60/x
  3. Step 3: Cross multiply
    2,189,092.20x = 3,278,108.70 × 1,437,066.60
  4. Step 4: Simplify right side
    2,189,092.20x = 4,710,860,523,939.42
  5. Step 5: Solve for x
    x = 4,710,860,523,939.42/2,189,092.20
  6. Step 6: Final answer
    x = 2,151,969.90

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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.