Home / 2,173,257.81-2,998,945.69-1,206,311.94

Finding the Fourth Proportional to 2,173,257.81, 2,998,945.69 and 1,206,311.94

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Solution

The fourth proportional to 2,173,257.81, 2,998,945.69 and 1,206,311.94 is: 1,664,627.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,257.81 : 2,998,945.69 = 1,206,311.94 : x
  2. Step 2: Convert to fraction form
    2,173,257.81/2,998,945.69 = 1,206,311.94/x
  3. Step 3: Cross multiply
    2,173,257.81x = 2,998,945.69 × 1,206,311.94
  4. Step 4: Simplify right side
    2,173,257.81x = 3,617,663,990,242.76
  5. Step 5: Solve for x
    x = 3,617,663,990,242.76/2,173,257.81
  6. Step 6: Final answer
    x = 1,664,627.17

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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.