Home / 2,867,381.42-3,956,955.44-1,578,193.92

Finding the Fourth Proportional to 2,867,381.42, 3,956,955.44 and 1,578,193.92

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Solution

The fourth proportional to 2,867,381.42, 3,956,955.44 and 1,578,193.92 is: 2,177,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,381.42 : 3,956,955.44 = 1,578,193.92 : x
  2. Step 2: Convert to fraction form
    2,867,381.42/3,956,955.44 = 1,578,193.92/x
  3. Step 3: Cross multiply
    2,867,381.42x = 3,956,955.44 × 1,578,193.92
  4. Step 4: Simplify right side
    2,867,381.42x = 6,244,843,009,227.96
  5. Step 5: Solve for x
    x = 6,244,843,009,227.96/2,867,381.42
  6. Step 6: Final answer
    x = 2,177,890.59

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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.