Home / 2,187,108.30-3,280,662.45-2,054,138.70

Finding the Fourth Proportional to 2,187,108.30, 3,280,662.45 and 2,054,138.70

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Solution

The fourth proportional to 2,187,108.30, 3,280,662.45 and 2,054,138.70 is: 3,081,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,108.30 : 3,280,662.45 = 2,054,138.70 : x
  2. Step 2: Convert to fraction form
    2,187,108.30/3,280,662.45 = 2,054,138.70/x
  3. Step 3: Cross multiply
    2,187,108.30x = 3,280,662.45 × 2,054,138.70
  4. Step 4: Simplify right side
    2,187,108.30x = 6,738,935,700,181.82
  5. Step 5: Solve for x
    x = 6,738,935,700,181.82/2,187,108.30
  6. Step 6: Final answer
    x = 3,081,208.05

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Similar ratio
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1.5x scale

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.