Home / 1,540,435.25-2,125,637.10-851,997.71

Finding the Fourth Proportional to 1,540,435.25, 2,125,637.10 and 851,997.71

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Solution

The fourth proportional to 1,540,435.25, 2,125,637.10 and 851,997.71 is: 1,175,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,435.25 : 2,125,637.10 = 851,997.71 : x
  2. Step 2: Convert to fraction form
    1,540,435.25/2,125,637.10 = 851,997.71/x
  3. Step 3: Cross multiply
    1,540,435.25x = 2,125,637.10 × 851,997.71
  4. Step 4: Simplify right side
    1,540,435.25x = 1,811,037,946,805.13
  5. Step 5: Solve for x
    x = 1,811,037,946,805.13/1,540,435.25
  6. Step 6: Final answer
    x = 1,175,666.39

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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.