Home / 1,993,296.34-2,989,837.32-981,409.54

Finding the Fourth Proportional to 1,993,296.34, 2,989,837.32 and 981,409.54

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Solution

The fourth proportional to 1,993,296.34, 2,989,837.32 and 981,409.54 is: 1,472,061.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,296.34 : 2,989,837.32 = 981,409.54 : x
  2. Step 2: Convert to fraction form
    1,993,296.34/2,989,837.32 = 981,409.54/x
  3. Step 3: Cross multiply
    1,993,296.34x = 2,989,837.32 × 981,409.54
  4. Step 4: Simplify right side
    1,993,296.34x = 2,934,254,868,896.03
  5. Step 5: Solve for x
    x = 2,934,254,868,896.03/1,993,296.34
  6. Step 6: Final answer
    x = 1,472,061.53

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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.