Home / 2,686,657.66-3,706,388.10-1,815,211.06

Finding the Fourth Proportional to 2,686,657.66, 3,706,388.10 and 1,815,211.06

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Solution

The fourth proportional to 2,686,657.66, 3,706,388.10 and 1,815,211.06 is: 2,504,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,657.66 : 3,706,388.10 = 1,815,211.06 : x
  2. Step 2: Convert to fraction form
    2,686,657.66/3,706,388.10 = 1,815,211.06/x
  3. Step 3: Cross multiply
    2,686,657.66x = 3,706,388.10 × 1,815,211.06
  4. Step 4: Simplify right side
    2,686,657.66x = 6,727,876,671,772.39
  5. Step 5: Solve for x
    x = 6,727,876,671,772.39/2,686,657.66
  6. Step 6: Final answer
    x = 2,504,180.85

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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.