Home / 2,867,509.89-3,957,013.08-1,578,103.83

Finding the Fourth Proportional to 2,867,509.89, 3,957,013.08 and 1,578,103.83

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Solution

The fourth proportional to 2,867,509.89, 3,957,013.08 and 1,578,103.83 is: 2,177,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,509.89 : 3,957,013.08 = 1,578,103.83 : x
  2. Step 2: Convert to fraction form
    2,867,509.89/3,957,013.08 = 1,578,103.83/x
  3. Step 3: Cross multiply
    2,867,509.89x = 3,957,013.08 × 1,578,103.83
  4. Step 4: Simplify right side
    2,867,509.89x = 6,244,577,496,908.10
  5. Step 5: Solve for x
    x = 6,244,577,496,908.10/2,867,509.89
  6. Step 6: Final answer
    x = 2,177,700.42

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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.