Home / 1,823,815.55-2,515,560.15-1,280,072.68

Finding the Fourth Proportional to 1,823,815.55, 2,515,560.15 and 1,280,072.68

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Solution

The fourth proportional to 1,823,815.55, 2,515,560.15 and 1,280,072.68 is: 1,765,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823,815.55 : 2,515,560.15 = 1,280,072.68 : x
  2. Step 2: Convert to fraction form
    1,823,815.55/2,515,560.15 = 1,280,072.68/x
  3. Step 3: Cross multiply
    1,823,815.55x = 2,515,560.15 × 1,280,072.68
  4. Step 4: Simplify right side
    1,823,815.55x = 3,220,099,822,911.70
  5. Step 5: Solve for x
    x = 3,220,099,822,911.70/1,823,815.55
  6. Step 6: Final answer
    x = 1,765,584.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.