Home / 3,117,891.88-4,679,356.68-1,322,036.36

Finding the Fourth Proportional to 3,117,891.88, 4,679,356.68 and 1,322,036.36

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Solution

The fourth proportional to 3,117,891.88, 4,679,356.68 and 1,322,036.36 is: 1,984,122.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,891.88 : 4,679,356.68 = 1,322,036.36 : x
  2. Step 2: Convert to fraction form
    3,117,891.88/4,679,356.68 = 1,322,036.36/x
  3. Step 3: Cross multiply
    3,117,891.88x = 4,679,356.68 × 1,322,036.36
  4. Step 4: Simplify right side
    3,117,891.88x = 6,186,279,672,368.89
  5. Step 5: Solve for x
    x = 6,186,279,672,368.89/3,117,891.88
  6. Step 6: Final answer
    x = 1,984,122.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.