Home / 1,722,436.38-2,374,498.26-1,211,553.18

Finding the Fourth Proportional to 1,722,436.38, 2,374,498.26 and 1,211,553.18

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Solution

The fourth proportional to 1,722,436.38, 2,374,498.26 and 1,211,553.18 is: 1,670,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,436.38 : 2,374,498.26 = 1,211,553.18 : x
  2. Step 2: Convert to fraction form
    1,722,436.38/2,374,498.26 = 1,211,553.18/x
  3. Step 3: Cross multiply
    1,722,436.38x = 2,374,498.26 × 1,211,553.18
  4. Step 4: Simplify right side
    1,722,436.38x = 2,876,830,917,807.47
  5. Step 5: Solve for x
    x = 2,876,830,917,807.47/1,722,436.38
  6. Step 6: Final answer
    x = 1,670,210.26

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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.