Home / 3,145,621.20-4,721,979.60-2,082,739.20

Finding the Fourth Proportional to 3,145,621.20, 4,721,979.60 and 2,082,739.20

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Solution

The fourth proportional to 3,145,621.20, 4,721,979.60 and 2,082,739.20 is: 3,126,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,621.20 : 4,721,979.60 = 2,082,739.20 : x
  2. Step 2: Convert to fraction form
    3,145,621.20/4,721,979.60 = 2,082,739.20/x
  3. Step 3: Cross multiply
    3,145,621.20x = 4,721,979.60 × 2,082,739.20
  4. Step 4: Simplify right side
    3,145,621.20x = 9,834,652,014,520.32
  5. Step 5: Solve for x
    x = 9,834,652,014,520.32/3,145,621.20
  6. Step 6: Final answer
    x = 3,126,457.82

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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.