Home / 2,867,372.74-3,956,943.88-1,578,185.42

Finding the Fourth Proportional to 2,867,372.74, 3,956,943.88 and 1,578,185.42

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Solution

The fourth proportional to 2,867,372.74, 3,956,943.88 and 1,578,185.42 is: 2,177,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,372.74 : 3,956,943.88 = 1,578,185.42 : x
  2. Step 2: Convert to fraction form
    2,867,372.74/3,956,943.88 = 1,578,185.42/x
  3. Step 3: Cross multiply
    2,867,372.74x = 3,956,943.88 × 1,578,185.42
  4. Step 4: Simplify right side
    2,867,372.74x = 6,244,791,139,174.23
  5. Step 5: Solve for x
    x = 6,244,791,139,174.23/2,867,372.74
  6. Step 6: Final answer
    x = 2,177,879.09

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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.