Home / 2,079,919.25-3,119,484.31-1,013,889.17

Finding the Fourth Proportional to 2,079,919.25, 3,119,484.31 and 1,013,889.17

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Solution

The fourth proportional to 2,079,919.25, 3,119,484.31 and 1,013,889.17 is: 1,520,641.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,919.25 : 3,119,484.31 = 1,013,889.17 : x
  2. Step 2: Convert to fraction form
    2,079,919.25/3,119,484.31 = 1,013,889.17/x
  3. Step 3: Cross multiply
    2,079,919.25x = 3,119,484.31 × 1,013,889.17
  4. Step 4: Simplify right side
    2,079,919.25x = 3,162,811,357,893.92
  5. Step 5: Solve for x
    x = 3,162,811,357,893.92/2,079,919.25
  6. Step 6: Final answer
    x = 1,520,641.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.