Home / 5,108,672.70-7,654,714.65-3,212,019.90

Finding the Fourth Proportional to 5,108,672.70, 7,654,714.65 and 3,212,019.90

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Solution

The fourth proportional to 5,108,672.70, 7,654,714.65 and 3,212,019.90 is: 4,812,814.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108,672.70 : 7,654,714.65 = 3,212,019.90 : x
  2. Step 2: Convert to fraction form
    5,108,672.70/7,654,714.65 = 3,212,019.90/x
  3. Step 3: Cross multiply
    5,108,672.70x = 7,654,714.65 × 3,212,019.90
  4. Step 4: Simplify right side
    5,108,672.70x = 24,587,095,784,621.54
  5. Step 5: Solve for x
    x = 24,587,095,784,621.54/5,108,672.70
  6. Step 6: Final answer
    x = 4,812,814.84

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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.