Home / 1,820,231.97-2,512,419.72-1,056,531.57

Finding the Fourth Proportional to 1,820,231.97, 2,512,419.72 and 1,056,531.57

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Solution

The fourth proportional to 1,820,231.97, 2,512,419.72 and 1,056,531.57 is: 1,458,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,231.97 : 2,512,419.72 = 1,056,531.57 : x
  2. Step 2: Convert to fraction form
    1,820,231.97/2,512,419.72 = 1,056,531.57/x
  3. Step 3: Cross multiply
    1,820,231.97x = 2,512,419.72 × 1,056,531.57
  4. Step 4: Simplify right side
    1,820,231.97x = 2,654,450,751,270.56
  5. Step 5: Solve for x
    x = 2,654,450,751,270.56/1,820,231.97
  6. Step 6: Final answer
    x = 1,458,303.55

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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.