Home / 5,586,885.12-8,376,897.90-2,171,183.40

Finding the Fourth Proportional to 5,586,885.12, 8,376,897.90 and 2,171,183.40

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Solution

The fourth proportional to 5,586,885.12, 8,376,897.90 and 2,171,183.40 is: 3,255,442.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586,885.12 : 8,376,897.90 = 2,171,183.40 : x
  2. Step 2: Convert to fraction form
    5,586,885.12/8,376,897.90 = 2,171,183.40/x
  3. Step 3: Cross multiply
    5,586,885.12x = 8,376,897.90 × 2,171,183.40
  4. Step 4: Simplify right side
    5,586,885.12x = 18,187,781,663,974.86
  5. Step 5: Solve for x
    x = 18,187,781,663,974.86/5,586,885.12
  6. Step 6: Final answer
    x = 3,255,442.21

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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.