Home / 1,622,192.76-2,238,640.53-897,089.28

Finding the Fourth Proportional to 1,622,192.76, 2,238,640.53 and 897,089.28

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Solution

The fourth proportional to 1,622,192.76, 2,238,640.53 and 897,089.28 is: 1,237,991.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,192.76 : 2,238,640.53 = 897,089.28 : x
  2. Step 2: Convert to fraction form
    1,622,192.76/2,238,640.53 = 897,089.28/x
  3. Step 3: Cross multiply
    1,622,192.76x = 2,238,640.53 × 897,089.28
  4. Step 4: Simplify right side
    1,622,192.76x = 2,008,260,421,236.52
  5. Step 5: Solve for x
    x = 2,008,260,421,236.52/1,622,192.76
  6. Step 6: Final answer
    x = 1,237,991.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.