Home / 6,838,193.79-9,436,940.58-3,898,445.61

Finding the Fourth Proportional to 6,838,193.79, 9,436,940.58 and 3,898,445.61

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Solution

The fourth proportional to 6,838,193.79, 9,436,940.58 and 3,898,445.61 is: 5,379,987.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838,193.79 : 9,436,940.58 = 3,898,445.61 : x
  2. Step 2: Convert to fraction form
    6,838,193.79/9,436,940.58 = 3,898,445.61/x
  3. Step 3: Cross multiply
    6,838,193.79x = 9,436,940.58 × 3,898,445.61
  4. Step 4: Simplify right side
    6,838,193.79x = 36,789,399,575,931.85
  5. Step 5: Solve for x
    x = 36,789,399,575,931.85/6,838,193.79
  6. Step 6: Final answer
    x = 5,379,987.86

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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.