Home / 2,919,846-4,000,121.82-2,810,681.88

Finding the Fourth Proportional to 2,919,846, 4,000,121.82 and 2,810,681.88

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Solution

The fourth proportional to 2,919,846, 4,000,121.82 and 2,810,681.88 is: 3,850,569.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,846 : 4,000,121.82 = 2,810,681.88 : x
  2. Step 2: Convert to fraction form
    2,919,846/4,000,121.82 = 2,810,681.88/x
  3. Step 3: Cross multiply
    2,919,846x = 4,000,121.82 × 2,810,681.88
  4. Step 4: Simplify right side
    2,919,846x = 11,243,069,917,266.62
  5. Step 5: Solve for x
    x = 11,243,069,917,266.62/2,919,846
  6. Step 6: Final answer
    x = 3,850,569.49

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.