Home / 4,252,136.40-6,378,982.20-1,728,046.80

Finding the Fourth Proportional to 4,252,136.40, 6,378,982.20 and 1,728,046.80

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Solution

The fourth proportional to 4,252,136.40, 6,378,982.20 and 1,728,046.80 is: 2,592,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252,136.40 : 6,378,982.20 = 1,728,046.80 : x
  2. Step 2: Convert to fraction form
    4,252,136.40/6,378,982.20 = 1,728,046.80/x
  3. Step 3: Cross multiply
    4,252,136.40x = 6,378,982.20 × 1,728,046.80
  4. Step 4: Simplify right side
    4,252,136.40x = 11,023,179,777,966.96
  5. Step 5: Solve for x
    x = 11,023,179,777,966.96/4,252,136.40
  6. Step 6: Final answer
    x = 2,592,386.21

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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.