Home / 2,185,405.80-3,278,108.70-2,017,444.20

Finding the Fourth Proportional to 2,185,405.80, 3,278,108.70 and 2,017,444.20

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Solution

The fourth proportional to 2,185,405.80, 3,278,108.70 and 2,017,444.20 is: 3,026,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,405.80 : 3,278,108.70 = 2,017,444.20 : x
  2. Step 2: Convert to fraction form
    2,185,405.80/3,278,108.70 = 2,017,444.20/x
  3. Step 3: Cross multiply
    2,185,405.80x = 3,278,108.70 × 2,017,444.20
  4. Step 4: Simplify right side
    2,185,405.80x = 6,613,401,383,784.54
  5. Step 5: Solve for x
    x = 6,613,401,383,784.54/2,185,405.80
  6. Step 6: Final answer
    x = 3,026,166.30

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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.