Home / 6,874,885.76-9,487,020.48-3,819,286.40

Finding the Fourth Proportional to 6,874,885.76, 9,487,020.48 and 3,819,286.40

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Solution

The fourth proportional to 6,874,885.76, 9,487,020.48 and 3,819,286.40 is: 5,270,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874,885.76 : 9,487,020.48 = 3,819,286.40 : x
  2. Step 2: Convert to fraction form
    6,874,885.76/9,487,020.48 = 3,819,286.40/x
  3. Step 3: Cross multiply
    6,874,885.76x = 9,487,020.48 × 3,819,286.40
  4. Step 4: Simplify right side
    6,874,885.76x = 36,233,648,295,785.48
  5. Step 5: Solve for x
    x = 36,233,648,295,785.48/6,874,885.76
  6. Step 6: Final answer
    x = 5,270,436.42

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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.