Home / 4,916,311.20-7,374,466.80-3,920,983.20

Finding the Fourth Proportional to 4,916,311.20, 7,374,466.80 and 3,920,983.20

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Solution

The fourth proportional to 4,916,311.20, 7,374,466.80 and 3,920,983.20 is: 5,881,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916,311.20 : 7,374,466.80 = 3,920,983.20 : x
  2. Step 2: Convert to fraction form
    4,916,311.20/7,374,466.80 = 3,920,983.20/x
  3. Step 3: Cross multiply
    4,916,311.20x = 7,374,466.80 × 3,920,983.20
  4. Step 4: Simplify right side
    4,916,311.20x = 28,915,160,431,757.76
  5. Step 5: Solve for x
    x = 28,915,160,431,757.76/4,916,311.20
  6. Step 6: Final answer
    x = 5,881,474.80

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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.