Home / 2,131,473.20-2,943,397.37-1,368,855.36

Finding the Fourth Proportional to 2,131,473.20, 2,943,397.37 and 1,368,855.36

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Solution

The fourth proportional to 2,131,473.20, 2,943,397.37 and 1,368,855.36 is: 1,890,281.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,473.20 : 2,943,397.37 = 1,368,855.36 : x
  2. Step 2: Convert to fraction form
    2,131,473.20/2,943,397.37 = 1,368,855.36/x
  3. Step 3: Cross multiply
    2,131,473.20x = 2,943,397.37 × 1,368,855.36
  4. Step 4: Simplify right side
    2,131,473.20x = 4,029,085,269,956.54
  5. Step 5: Solve for x
    x = 4,029,085,269,956.54/2,131,473.20
  6. Step 6: Final answer
    x = 1,890,281.93

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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.