Home / 2,947,327.75-4,420,991.38-817,411.84

Finding the Fourth Proportional to 2,947,327.75, 4,420,991.38 and 817,411.84

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Solution

The fourth proportional to 2,947,327.75, 4,420,991.38 and 817,411.84 is: 1,226,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,327.75 : 4,420,991.38 = 817,411.84 : x
  2. Step 2: Convert to fraction form
    2,947,327.75/4,420,991.38 = 817,411.84/x
  3. Step 3: Cross multiply
    2,947,327.75x = 4,420,991.38 × 817,411.84
  4. Step 4: Simplify right side
    2,947,327.75x = 3,613,770,698,549.94
  5. Step 5: Solve for x
    x = 3,613,770,698,549.94/2,947,327.75
  6. Step 6: Final answer
    x = 1,226,117.69

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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.