Home / 2,854,115.57-4,280,758.21-831,816.60

Finding the Fourth Proportional to 2,854,115.57, 4,280,758.21 and 831,816.60

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Solution

The fourth proportional to 2,854,115.57, 4,280,758.21 and 831,816.60 is: 1,247,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854,115.57 : 4,280,758.21 = 831,816.60 : x
  2. Step 2: Convert to fraction form
    2,854,115.57/4,280,758.21 = 831,816.60/x
  3. Step 3: Cross multiply
    2,854,115.57x = 4,280,758.21 × 831,816.60
  4. Step 4: Simplify right side
    2,854,115.57x = 3,560,805,739,664.29
  5. Step 5: Solve for x
    x = 3,560,805,739,664.29/2,854,115.57
  6. Step 6: Final answer
    x = 1,247,603.91

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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.