Home / 2,786,022.75-4,178,342.01-1,572,132.26

Finding the Fourth Proportional to 2,786,022.75, 4,178,342.01 and 1,572,132.26

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Solution

The fourth proportional to 2,786,022.75, 4,178,342.01 and 1,572,132.26 is: 2,357,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,022.75 : 4,178,342.01 = 1,572,132.26 : x
  2. Step 2: Convert to fraction form
    2,786,022.75/4,178,342.01 = 1,572,132.26/x
  3. Step 3: Cross multiply
    2,786,022.75x = 4,178,342.01 × 1,572,132.26
  4. Step 4: Simplify right side
    2,786,022.75x = 6,568,906,246,342.53
  5. Step 5: Solve for x
    x = 6,568,906,246,342.53/2,786,022.75
  6. Step 6: Final answer
    x = 2,357,807.83

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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.