Home / 2,867,516.40-3,957,022.05-1,578,110.34

Finding the Fourth Proportional to 2,867,516.40, 3,957,022.05 and 1,578,110.34

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Solution

The fourth proportional to 2,867,516.40, 3,957,022.05 and 1,578,110.34 is: 2,177,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,516.40 : 3,957,022.05 = 1,578,110.34 : x
  2. Step 2: Convert to fraction form
    2,867,516.40/3,957,022.05 = 1,578,110.34/x
  3. Step 3: Cross multiply
    2,867,516.40x = 3,957,022.05 × 1,578,110.34
  4. Step 4: Simplify right side
    2,867,516.40x = 6,244,617,412,713.00
  5. Step 5: Solve for x
    x = 6,244,617,412,713.00/2,867,516.40
  6. Step 6: Final answer
    x = 2,177,709.40

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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.