Home / 2,560,878.67-3,535,660.04-1,643,503.25

Finding the Fourth Proportional to 2,560,878.67, 3,535,660.04 and 1,643,503.25

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Solution

The fourth proportional to 2,560,878.67, 3,535,660.04 and 1,643,503.25 is: 2,269,091.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560,878.67 : 3,535,660.04 = 1,643,503.25 : x
  2. Step 2: Convert to fraction form
    2,560,878.67/3,535,660.04 = 1,643,503.25/x
  3. Step 3: Cross multiply
    2,560,878.67x = 3,535,660.04 × 1,643,503.25
  4. Step 4: Simplify right side
    2,560,878.67x = 5,810,868,766,635.13
  5. Step 5: Solve for x
    x = 5,810,868,766,635.13/2,560,878.67
  6. Step 6: Final answer
    x = 2,269,091.79

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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.