Home / 2,827,979-3,902,578.21-1,538,797.18

Finding the Fourth Proportional to 2,827,979, 3,902,578.21 and 1,538,797.18

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Solution

The fourth proportional to 2,827,979, 3,902,578.21 and 1,538,797.18 is: 2,123,522.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827,979 : 3,902,578.21 = 1,538,797.18 : x
  2. Step 2: Convert to fraction form
    2,827,979/3,902,578.21 = 1,538,797.18/x
  3. Step 3: Cross multiply
    2,827,979x = 3,902,578.21 × 1,538,797.18
  4. Step 4: Simplify right side
    2,827,979x = 6,005,276,344,277.45
  5. Step 5: Solve for x
    x = 6,005,276,344,277.45/2,827,979
  6. Step 6: Final answer
    x = 2,123,522.26

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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.