Home / 2,593,931-3,890,913.78-821,003

Finding the Fourth Proportional to 2,593,931, 3,890,913.78 and 821,003

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Solution

The fourth proportional to 2,593,931, 3,890,913.78 and 821,003 is: 1,231,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,593,931 : 3,890,913.78 = 821,003 : x
  2. Step 2: Convert to fraction form
    2,593,931/3,890,913.78 = 821,003/x
  3. Step 3: Cross multiply
    2,593,931x = 3,890,913.78 × 821,003
  4. Step 4: Simplify right side
    2,593,931x = 3,194,451,886,121.34
  5. Step 5: Solve for x
    x = 3,194,451,886,121.34/2,593,931
  6. Step 6: Final answer
    x = 1,231,509.97

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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.