Home / 1,722,540.52-2,374,642.38-1,211,657.32

Finding the Fourth Proportional to 1,722,540.52, 2,374,642.38 and 1,211,657.32

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Solution

The fourth proportional to 1,722,540.52, 2,374,642.38 and 1,211,657.32 is: 1,670,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,540.52 : 2,374,642.38 = 1,211,657.32 : x
  2. Step 2: Convert to fraction form
    1,722,540.52/2,374,642.38 = 1,211,657.32/x
  3. Step 3: Cross multiply
    1,722,540.52x = 2,374,642.38 × 1,211,657.32
  4. Step 4: Simplify right side
    1,722,540.52x = 2,877,252,822,109.22
  5. Step 5: Solve for x
    x = 2,877,252,822,109.22/1,722,540.52
  6. Step 6: Final answer
    x = 1,670,354.22

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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.