Home / 2,304,855.16-3,180,616.74-1,272,340.78

Finding the Fourth Proportional to 2,304,855.16, 3,180,616.74 and 1,272,340.78

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Solution

The fourth proportional to 2,304,855.16, 3,180,616.74 and 1,272,340.78 is: 1,755,784.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304,855.16 : 3,180,616.74 = 1,272,340.78 : x
  2. Step 2: Convert to fraction form
    2,304,855.16/3,180,616.74 = 1,272,340.78/x
  3. Step 3: Cross multiply
    2,304,855.16x = 3,180,616.74 × 1,272,340.78
  4. Step 4: Simplify right side
    2,304,855.16x = 4,046,828,375,901.12
  5. Step 5: Solve for x
    x = 4,046,828,375,901.12/2,304,855.16
  6. Step 6: Final answer
    x = 1,755,784.25

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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.