Home / 4,122,270.58-5,687,881.53-2,379,909.78

Finding the Fourth Proportional to 4,122,270.58, 5,687,881.53 and 2,379,909.78

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Solution

The fourth proportional to 4,122,270.58, 5,687,881.53 and 2,379,909.78 is: 3,283,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122,270.58 : 5,687,881.53 = 2,379,909.78 : x
  2. Step 2: Convert to fraction form
    4,122,270.58/5,687,881.53 = 2,379,909.78/x
  3. Step 3: Cross multiply
    4,122,270.58x = 5,687,881.53 × 2,379,909.78
  4. Step 4: Simplify right side
    4,122,270.58x = 13,536,644,880,728.36
  5. Step 5: Solve for x
    x = 13,536,644,880,728.36/4,122,270.58
  6. Step 6: Final answer
    x = 3,283,783.69

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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.