Home / 2,804,471.10-3,870,171.90-1,515,311.28

Finding the Fourth Proportional to 2,804,471.10, 3,870,171.90 and 1,515,311.28

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Solution

The fourth proportional to 2,804,471.10, 3,870,171.90 and 1,515,311.28 is: 2,091,130.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804,471.10 : 3,870,171.90 = 1,515,311.28 : x
  2. Step 2: Convert to fraction form
    2,804,471.10/3,870,171.90 = 1,515,311.28/x
  3. Step 3: Cross multiply
    2,804,471.10x = 3,870,171.90 × 1,515,311.28
  4. Step 4: Simplify right side
    2,804,471.10x = 5,864,515,135,609.03
  5. Step 5: Solve for x
    x = 5,864,515,135,609.03/2,804,471.10
  6. Step 6: Final answer
    x = 2,091,130.53

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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.