Home / 2,085,657-2,878,206.66-1,131,801

Finding the Fourth Proportional to 2,085,657, 2,878,206.66 and 1,131,801

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Solution

The fourth proportional to 2,085,657, 2,878,206.66 and 1,131,801 is: 1,561,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,657 : 2,878,206.66 = 1,131,801 : x
  2. Step 2: Convert to fraction form
    2,085,657/2,878,206.66 = 1,131,801/x
  3. Step 3: Cross multiply
    2,085,657x = 2,878,206.66 × 1,131,801
  4. Step 4: Simplify right side
    2,085,657x = 3,257,557,175,994.66
  5. Step 5: Solve for x
    x = 3,257,557,175,994.66/2,085,657
  6. Step 6: Final answer
    x = 1,561,885.38

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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.