Home / 2,228,257.76-3,075,020.42-1,261,366.83

Finding the Fourth Proportional to 2,228,257.76, 3,075,020.42 and 1,261,366.83

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Solution

The fourth proportional to 2,228,257.76, 3,075,020.42 and 1,261,366.83 is: 1,740,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228,257.76 : 3,075,020.42 = 1,261,366.83 : x
  2. Step 2: Convert to fraction form
    2,228,257.76/3,075,020.42 = 1,261,366.83/x
  3. Step 3: Cross multiply
    2,228,257.76x = 3,075,020.42 × 1,261,366.83
  4. Step 4: Simplify right side
    2,228,257.76x = 3,878,728,753,053.84
  5. Step 5: Solve for x
    x = 3,878,728,753,053.84/2,228,257.76
  6. Step 6: Final answer
    x = 1,740,700.21

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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.