Home / 1,910,721.82-2,863,909.88-998,497.78

Finding the Fourth Proportional to 1,910,721.82, 2,863,909.88 and 998,497.78

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Solution

The fourth proportional to 1,910,721.82, 2,863,909.88 and 998,497.78 is: 1,496,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,721.82 : 2,863,909.88 = 998,497.78 : x
  2. Step 2: Convert to fraction form
    1,910,721.82/2,863,909.88 = 998,497.78/x
  3. Step 3: Cross multiply
    1,910,721.82x = 2,863,909.88 × 998,497.78
  4. Step 4: Simplify right side
    1,910,721.82x = 2,859,607,657,300.07
  5. Step 5: Solve for x
    x = 2,859,607,657,300.07/1,910,721.82
  6. Step 6: Final answer
    x = 1,496,611.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.