Home / 2,941,421.92-4,412,136.12-919,676.32

Finding the Fourth Proportional to 2,941,421.92, 4,412,136.12 and 919,676.32

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Solution

The fourth proportional to 2,941,421.92, 4,412,136.12 and 919,676.32 is: 1,379,515.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941,421.92 : 4,412,136.12 = 919,676.32 : x
  2. Step 2: Convert to fraction form
    2,941,421.92/4,412,136.12 = 919,676.32/x
  3. Step 3: Cross multiply
    2,941,421.92x = 4,412,136.12 × 919,676.32
  4. Step 4: Simplify right side
    2,941,421.92x = 4,057,737,110,180.68
  5. Step 5: Solve for x
    x = 4,057,737,110,180.68/2,941,421.92
  6. Step 6: Final answer
    x = 1,379,515.49

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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.