Home / 2,399,422.98-3,293,578.31-2,121,400.60

Finding the Fourth Proportional to 2,399,422.98, 3,293,578.31 and 2,121,400.60

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Solution

The fourth proportional to 2,399,422.98, 3,293,578.31 and 2,121,400.60 is: 2,911,949.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399,422.98 : 3,293,578.31 = 2,121,400.60 : x
  2. Step 2: Convert to fraction form
    2,399,422.98/3,293,578.31 = 2,121,400.60/x
  3. Step 3: Cross multiply
    2,399,422.98x = 3,293,578.31 × 2,121,400.60
  4. Step 4: Simplify right side
    2,399,422.98x = 6,986,999,002,980.99
  5. Step 5: Solve for x
    x = 6,986,999,002,980.99/2,399,422.98
  6. Step 6: Final answer
    x = 2,911,949.70

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.