Home / 2,205,872.16-3,043,328.40-1,442,372.64

Finding the Fourth Proportional to 2,205,872.16, 3,043,328.40 and 1,442,372.64

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Solution

The fourth proportional to 2,205,872.16, 3,043,328.40 and 1,442,372.64 is: 1,989,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,872.16 : 3,043,328.40 = 1,442,372.64 : x
  2. Step 2: Convert to fraction form
    2,205,872.16/3,043,328.40 = 1,442,372.64/x
  3. Step 3: Cross multiply
    2,205,872.16x = 3,043,328.40 × 1,442,372.64
  4. Step 4: Simplify right side
    2,205,872.16x = 4,389,613,618,694.98
  5. Step 5: Solve for x
    x = 4,389,613,618,694.98/2,205,872.16
  6. Step 6: Final answer
    x = 1,989,967.37

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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.