Home / 2,560,880.67-3,535,662.80-1,643,505.26

Finding the Fourth Proportional to 2,560,880.67, 3,535,662.80 and 1,643,505.26

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Solution

The fourth proportional to 2,560,880.67, 3,535,662.80 and 1,643,505.26 is: 2,269,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560,880.67 : 3,535,662.80 = 1,643,505.26 : x
  2. Step 2: Convert to fraction form
    2,560,880.67/3,535,662.80 = 1,643,505.26/x
  3. Step 3: Cross multiply
    2,560,880.67x = 3,535,662.80 × 1,643,505.26
  4. Step 4: Simplify right side
    2,560,880.67x = 5,810,880,383,490.49
  5. Step 5: Solve for x
    x = 5,810,880,383,490.49/2,560,880.67
  6. Step 6: Final answer
    x = 2,269,094.55

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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.