Home / 2,638,813.32-3,641,569.44-1,431,589.32

Finding the Fourth Proportional to 2,638,813.32, 3,641,569.44 and 1,431,589.32

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Solution

The fourth proportional to 2,638,813.32, 3,641,569.44 and 1,431,589.32 is: 1,975,597.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,813.32 : 3,641,569.44 = 1,431,589.32 : x
  2. Step 2: Convert to fraction form
    2,638,813.32/3,641,569.44 = 1,431,589.32/x
  3. Step 3: Cross multiply
    2,638,813.32x = 3,641,569.44 × 1,431,589.32
  4. Step 4: Simplify right side
    2,638,813.32x = 5,213,231,918,342.38
  5. Step 5: Solve for x
    x = 5,213,231,918,342.38/2,638,813.32
  6. Step 6: Final answer
    x = 1,975,597.09

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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.