Home / 3,943,653.74-5,442,245.79-2,132,817.74

Finding the Fourth Proportional to 3,943,653.74, 5,442,245.79 and 2,132,817.74

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Solution

The fourth proportional to 3,943,653.74, 5,442,245.79 and 2,132,817.74 is: 2,943,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,653.74 : 5,442,245.79 = 2,132,817.74 : x
  2. Step 2: Convert to fraction form
    3,943,653.74/5,442,245.79 = 2,132,817.74/x
  3. Step 3: Cross multiply
    3,943,653.74x = 5,442,245.79 × 2,132,817.74
  4. Step 4: Simplify right side
    3,943,653.74x = 11,607,318,366,352.32
  5. Step 5: Solve for x
    x = 11,607,318,366,352.32/3,943,653.74
  6. Step 6: Final answer
    x = 2,943,290.44

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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.