Home / 3,320,115.10-4,980,172.65-3,036,679.90

Finding the Fourth Proportional to 3,320,115.10, 4,980,172.65 and 3,036,679.90

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Solution

The fourth proportional to 3,320,115.10, 4,980,172.65 and 3,036,679.90 is: 4,555,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,115.10 : 4,980,172.65 = 3,036,679.90 : x
  2. Step 2: Convert to fraction form
    3,320,115.10/4,980,172.65 = 3,036,679.90/x
  3. Step 3: Cross multiply
    3,320,115.10x = 4,980,172.65 × 3,036,679.90
  4. Step 4: Simplify right side
    3,320,115.10x = 15,123,190,184,784.74
  5. Step 5: Solve for x
    x = 15,123,190,184,784.74/3,320,115.10
  6. Step 6: Final answer
    x = 4,555,019.85

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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.