Home / 5,158,069.72-7,118,790.78-3,120,895.96

Finding the Fourth Proportional to 5,158,069.72, 7,118,790.78 and 3,120,895.96

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Solution

The fourth proportional to 5,158,069.72, 7,118,790.78 and 3,120,895.96 is: 4,307,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158,069.72 : 7,118,790.78 = 3,120,895.96 : x
  2. Step 2: Convert to fraction form
    5,158,069.72/7,118,790.78 = 3,120,895.96/x
  3. Step 3: Cross multiply
    5,158,069.72x = 7,118,790.78 × 3,120,895.96
  4. Step 4: Simplify right side
    5,158,069.72x = 22,217,005,385,387.25
  5. Step 5: Solve for x
    x = 22,217,005,385,387.25/5,158,069.72
  6. Step 6: Final answer
    x = 4,307,232.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.