Home / 2,850,457.91-4,276,104.21-828,439.11

Finding the Fourth Proportional to 2,850,457.91, 4,276,104.21 and 828,439.11

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Solution

The fourth proportional to 2,850,457.91, 4,276,104.21 and 828,439.11 is: 1,242,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,457.91 : 4,276,104.21 = 828,439.11 : x
  2. Step 2: Convert to fraction form
    2,850,457.91/4,276,104.21 = 828,439.11/x
  3. Step 3: Cross multiply
    2,850,457.91x = 4,276,104.21 × 828,439.11
  4. Step 4: Simplify right side
    2,850,457.91x = 3,542,491,965,999.65
  5. Step 5: Solve for x
    x = 3,542,491,965,999.65/2,850,457.91
  6. Step 6: Final answer
    x = 1,242,779.96

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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.