Home / 1,467,657.70-2,201,486.55-1,320,691.30

Finding the Fourth Proportional to 1,467,657.70, 2,201,486.55 and 1,320,691.30

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Solution

The fourth proportional to 1,467,657.70, 2,201,486.55 and 1,320,691.30 is: 1,981,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,657.70 : 2,201,486.55 = 1,320,691.30 : x
  2. Step 2: Convert to fraction form
    1,467,657.70/2,201,486.55 = 1,320,691.30/x
  3. Step 3: Cross multiply
    1,467,657.70x = 2,201,486.55 × 1,320,691.30
  4. Step 4: Simplify right side
    1,467,657.70x = 2,907,484,133,652.01
  5. Step 5: Solve for x
    x = 2,907,484,133,652.01/1,467,657.70
  6. Step 6: Final answer
    x = 1,981,036.95

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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.