Home / 2,589,723.68-3,573,740.40-1,428,169.34

Finding the Fourth Proportional to 2,589,723.68, 3,573,740.40 and 1,428,169.34

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Solution

The fourth proportional to 2,589,723.68, 3,573,740.40 and 1,428,169.34 is: 1,970,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,723.68 : 3,573,740.40 = 1,428,169.34 : x
  2. Step 2: Convert to fraction form
    2,589,723.68/3,573,740.40 = 1,428,169.34/x
  3. Step 3: Cross multiply
    2,589,723.68x = 3,573,740.40 × 1,428,169.34
  4. Step 4: Simplify right side
    2,589,723.68x = 5,103,906,468,399.34
  5. Step 5: Solve for x
    x = 5,103,906,468,399.34/2,589,723.68
  6. Step 6: Final answer
    x = 1,970,830.52

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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.