Home / 2,638,593.89-3,641,266.57-1,431,369.89

Finding the Fourth Proportional to 2,638,593.89, 3,641,266.57 and 1,431,369.89

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Solution

The fourth proportional to 2,638,593.89, 3,641,266.57 and 1,431,369.89 is: 1,975,294.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,593.89 : 3,641,266.57 = 1,431,369.89 : x
  2. Step 2: Convert to fraction form
    2,638,593.89/3,641,266.57 = 1,431,369.89/x
  3. Step 3: Cross multiply
    2,638,593.89x = 3,641,266.57 × 1,431,369.89
  4. Step 4: Simplify right side
    2,638,593.89x = 5,211,999,311,555.24
  5. Step 5: Solve for x
    x = 5,211,999,311,555.24/2,638,593.89
  6. Step 6: Final answer
    x = 1,975,294.24

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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.