Home / 3,479,372.80-5,220,371.40-1,683,845.80

Finding the Fourth Proportional to 3,479,372.80, 5,220,371.40 and 1,683,845.80

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Solution

The fourth proportional to 3,479,372.80, 5,220,371.40 and 1,683,845.80 is: 2,526,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,372.80 : 5,220,371.40 = 1,683,845.80 : x
  2. Step 2: Convert to fraction form
    3,479,372.80/5,220,371.40 = 1,683,845.80/x
  3. Step 3: Cross multiply
    3,479,372.80x = 5,220,371.40 × 1,683,845.80
  4. Step 4: Simplify right side
    3,479,372.80x = 8,790,300,456,330.12
  5. Step 5: Solve for x
    x = 8,790,300,456,330.12/3,479,372.80
  6. Step 6: Final answer
    x = 2,526,403.74

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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.