Home / 2,569,171.23-3,854,617.20-840,120.81

Finding the Fourth Proportional to 2,569,171.23, 3,854,617.20 and 840,120.81

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Solution

The fourth proportional to 2,569,171.23, 3,854,617.20 and 840,120.81 is: 1,260,462.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569,171.23 : 3,854,617.20 = 840,120.81 : x
  2. Step 2: Convert to fraction form
    2,569,171.23/3,854,617.20 = 840,120.81/x
  3. Step 3: Cross multiply
    2,569,171.23x = 3,854,617.20 × 840,120.81
  4. Step 4: Simplify right side
    2,569,171.23x = 3,238,344,131,531.34
  5. Step 5: Solve for x
    x = 3,238,344,131,531.34/2,569,171.23
  6. Step 6: Final answer
    x = 1,260,462.55

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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.