Home / 2,197,809.40-3,296,714.10-918,195.70

Finding the Fourth Proportional to 2,197,809.40, 3,296,714.10 and 918,195.70

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Solution

The fourth proportional to 2,197,809.40, 3,296,714.10 and 918,195.70 is: 1,377,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,809.40 : 3,296,714.10 = 918,195.70 : x
  2. Step 2: Convert to fraction form
    2,197,809.40/3,296,714.10 = 918,195.70/x
  3. Step 3: Cross multiply
    2,197,809.40x = 3,296,714.10 × 918,195.70
  4. Step 4: Simplify right side
    2,197,809.40x = 3,027,028,710,749.37
  5. Step 5: Solve for x
    x = 3,027,028,710,749.37/2,197,809.40
  6. Step 6: Final answer
    x = 1,377,293.55

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Double scale
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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.