Home / 6,870,905.40-10,306,358.10-3,847,596.60

Finding the Fourth Proportional to 6,870,905.40, 10,306,358.10 and 3,847,596.60

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Solution

The fourth proportional to 6,870,905.40, 10,306,358.10 and 3,847,596.60 is: 5,771,394.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870,905.40 : 10,306,358.10 = 3,847,596.60 : x
  2. Step 2: Convert to fraction form
    6,870,905.40/10,306,358.10 = 3,847,596.60/x
  3. Step 3: Cross multiply
    6,870,905.40x = 10,306,358.10 × 3,847,596.60
  4. Step 4: Simplify right side
    6,870,905.40x = 39,654,708,383,942.46
  5. Step 5: Solve for x
    x = 39,654,708,383,942.46/6,870,905.40
  6. Step 6: Final answer
    x = 5,771,394.90

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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.