Home / 2,228,681.52-3,075,548.94-1,261,786.68

Finding the Fourth Proportional to 2,228,681.52, 3,075,548.94 and 1,261,786.68

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Solution

The fourth proportional to 2,228,681.52, 3,075,548.94 and 1,261,786.68 is: 1,741,247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228,681.52 : 3,075,548.94 = 1,261,786.68 : x
  2. Step 2: Convert to fraction form
    2,228,681.52/3,075,548.94 = 1,261,786.68/x
  3. Step 3: Cross multiply
    2,228,681.52x = 3,075,548.94 × 1,261,786.68
  4. Step 4: Simplify right side
    2,228,681.52x = 3,880,686,686,180.12
  5. Step 5: Solve for x
    x = 3,880,686,686,180.12/2,228,681.52
  6. Step 6: Final answer
    x = 1,741,247.75

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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.