Home / 3,160,806.46-4,739,289.68-1,239,415.65

Finding the Fourth Proportional to 3,160,806.46, 4,739,289.68 and 1,239,415.65

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Solution

The fourth proportional to 3,160,806.46, 4,739,289.68 and 1,239,415.65 is: 1,858,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160,806.46 : 4,739,289.68 = 1,239,415.65 : x
  2. Step 2: Convert to fraction form
    3,160,806.46/4,739,289.68 = 1,239,415.65/x
  3. Step 3: Cross multiply
    3,160,806.46x = 4,739,289.68 × 1,239,415.65
  4. Step 4: Simplify right side
    3,160,806.46x = 5,873,949,802,374.03
  5. Step 5: Solve for x
    x = 5,873,949,802,374.03/3,160,806.46
  6. Step 6: Final answer
    x = 1,858,370.60

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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.