Home / 2,688,122.60-4,032,183.90-1,344,429.80

Finding the Fourth Proportional to 2,688,122.60, 4,032,183.90 and 1,344,429.80

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Solution

The fourth proportional to 2,688,122.60, 4,032,183.90 and 1,344,429.80 is: 2,016,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,122.60 : 4,032,183.90 = 1,344,429.80 : x
  2. Step 2: Convert to fraction form
    2,688,122.60/4,032,183.90 = 1,344,429.80/x
  3. Step 3: Cross multiply
    2,688,122.60x = 4,032,183.90 × 1,344,429.80
  4. Step 4: Simplify right side
    2,688,122.60x = 5,420,988,194,240.22
  5. Step 5: Solve for x
    x = 5,420,988,194,240.22/2,688,122.60
  6. Step 6: Final answer
    x = 2,016,644.70

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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.