Home / 2,638,595.45-3,641,268.74-1,431,371.45

Finding the Fourth Proportional to 2,638,595.45, 3,641,268.74 and 1,431,371.45

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Solution

The fourth proportional to 2,638,595.45, 3,641,268.74 and 1,431,371.45 is: 1,975,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,595.45 : 3,641,268.74 = 1,431,371.45 : x
  2. Step 2: Convert to fraction form
    2,638,595.45/3,641,268.74 = 1,431,371.45/x
  3. Step 3: Cross multiply
    2,638,595.45x = 3,641,268.74 × 1,431,371.45
  4. Step 4: Simplify right side
    2,638,595.45x = 5,212,008,090,850.27
  5. Step 5: Solve for x
    x = 5,212,008,090,850.27/2,638,595.45
  6. Step 6: Final answer
    x = 1,975,296.40

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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.