Home / 2,781,216.65-4,172,475.92-862,027.56

Finding the Fourth Proportional to 2,781,216.65, 4,172,475.92 and 862,027.56

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Solution

The fourth proportional to 2,781,216.65, 4,172,475.92 and 862,027.56 is: 1,293,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,216.65 : 4,172,475.92 = 862,027.56 : x
  2. Step 2: Convert to fraction form
    2,781,216.65/4,172,475.92 = 862,027.56/x
  3. Step 3: Cross multiply
    2,781,216.65x = 4,172,475.92 × 862,027.56
  4. Step 4: Simplify right side
    2,781,216.65x = 3,596,789,232,166.22
  5. Step 5: Solve for x
    x = 3,596,789,232,166.22/2,781,216.65
  6. Step 6: Final answer
    x = 1,293,243.10

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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.