Home / 3,291,779.28-4,929,695.64-2,278,060.56

Finding the Fourth Proportional to 3,291,779.28, 4,929,695.64 and 2,278,060.56

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Solution

The fourth proportional to 3,291,779.28, 4,929,695.64 and 2,278,060.56 is: 3,411,572.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291,779.28 : 4,929,695.64 = 2,278,060.56 : x
  2. Step 2: Convert to fraction form
    3,291,779.28/4,929,695.64 = 2,278,060.56/x
  3. Step 3: Cross multiply
    3,291,779.28x = 4,929,695.64 × 2,278,060.56
  4. Step 4: Simplify right side
    3,291,779.28x = 11,230,145,210,287.96
  5. Step 5: Solve for x
    x = 11,230,145,210,287.96/3,291,779.28
  6. Step 6: Final answer
    x = 3,411,572.97

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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.