Home / 2,182,790.64-3,274,629.84-920,622.72

Finding the Fourth Proportional to 2,182,790.64, 3,274,629.84 and 920,622.72

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Solution

The fourth proportional to 2,182,790.64, 3,274,629.84 and 920,622.72 is: 1,381,121.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,790.64 : 3,274,629.84 = 920,622.72 : x
  2. Step 2: Convert to fraction form
    2,182,790.64/3,274,629.84 = 920,622.72/x
  3. Step 3: Cross multiply
    2,182,790.64x = 3,274,629.84 × 920,622.72
  4. Step 4: Simplify right side
    2,182,790.64x = 3,014,698,630,293.96
  5. Step 5: Solve for x
    x = 3,014,698,630,293.96/2,182,790.64
  6. Step 6: Final answer
    x = 1,381,121.29

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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.