Home / 3,315,744.25-4,973,616.10-919,588.86

Finding the Fourth Proportional to 3,315,744.25, 4,973,616.10 and 919,588.86

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Solution

The fourth proportional to 3,315,744.25, 4,973,616.10 and 919,588.86 is: 1,379,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,744.25 : 4,973,616.10 = 919,588.86 : x
  2. Step 2: Convert to fraction form
    3,315,744.25/4,973,616.10 = 919,588.86/x
  3. Step 3: Cross multiply
    3,315,744.25x = 4,973,616.10 × 919,588.86
  4. Step 4: Simplify right side
    3,315,744.25x = 4,573,681,959,476.65
  5. Step 5: Solve for x
    x = 4,573,681,959,476.65/3,315,744.25
  6. Step 6: Final answer
    x = 1,379,383.21

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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.