Home / 5,664,702.12-7,817,189.76-3,086,401.38

Finding the Fourth Proportional to 5,664,702.12, 7,817,189.76 and 3,086,401.38

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Solution

The fourth proportional to 5,664,702.12, 7,817,189.76 and 3,086,401.38 is: 4,259,179.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664,702.12 : 7,817,189.76 = 3,086,401.38 : x
  2. Step 2: Convert to fraction form
    5,664,702.12/7,817,189.76 = 3,086,401.38/x
  3. Step 3: Cross multiply
    5,664,702.12x = 7,817,189.76 × 3,086,401.38
  4. Step 4: Simplify right side
    5,664,702.12x = 24,126,985,262,985.87
  5. Step 5: Solve for x
    x = 24,126,985,262,985.87/5,664,702.12
  6. Step 6: Final answer
    x = 4,259,179.87

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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.