Home / 5,158,065.72-7,118,785.26-3,120,891.96

Finding the Fourth Proportional to 5,158,065.72, 7,118,785.26 and 3,120,891.96

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Solution

The fourth proportional to 5,158,065.72, 7,118,785.26 and 3,120,891.96 is: 4,307,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158,065.72 : 7,118,785.26 = 3,120,891.96 : x
  2. Step 2: Convert to fraction form
    5,158,065.72/7,118,785.26 = 3,120,891.96/x
  3. Step 3: Cross multiply
    5,158,065.72x = 7,118,785.26 × 3,120,891.96
  4. Step 4: Simplify right side
    5,158,065.72x = 22,216,959,682,900.51
  5. Step 5: Solve for x
    x = 22,216,959,682,900.51/5,158,065.72
  6. Step 6: Final answer
    x = 4,307,226.95

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Why These Related Problems?

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