Home / 1,981,757.13-2,971,906.53-684,579.41

Finding the Fourth Proportional to 1,981,757.13, 2,971,906.53 and 684,579.41

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Solution

The fourth proportional to 1,981,757.13, 2,971,906.53 and 684,579.41 is: 1,026,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,757.13 : 2,971,906.53 = 684,579.41 : x
  2. Step 2: Convert to fraction form
    1,981,757.13/2,971,906.53 = 684,579.41/x
  3. Step 3: Cross multiply
    1,981,757.13x = 2,971,906.53 × 684,579.41
  4. Step 4: Simplify right side
    1,981,757.13x = 2,034,506,004,023.01
  5. Step 5: Solve for x
    x = 2,034,506,004,023.01/1,981,757.13
  6. Step 6: Final answer
    x = 1,026,617.22

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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.