Home / 2,185,771.20-3,277,231.20-1,961,822.40

Finding the Fourth Proportional to 2,185,771.20, 3,277,231.20 and 1,961,822.40

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Solution

The fourth proportional to 2,185,771.20, 3,277,231.20 and 1,961,822.40 is: 2,941,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,771.20 : 3,277,231.20 = 1,961,822.40 : x
  2. Step 2: Convert to fraction form
    2,185,771.20/3,277,231.20 = 1,961,822.40/x
  3. Step 3: Cross multiply
    2,185,771.20x = 3,277,231.20 × 1,961,822.40
  4. Step 4: Simplify right side
    2,185,771.20x = 6,429,345,578,138.88
  5. Step 5: Solve for x
    x = 6,429,345,578,138.88/2,185,771.20
  6. Step 6: Final answer
    x = 2,941,454.06

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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.