Home / 3,318,901.31-4,980,287.66-1,399,694.19

Finding the Fourth Proportional to 3,318,901.31, 4,980,287.66 and 1,399,694.19

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Solution

The fourth proportional to 3,318,901.31, 4,980,287.66 and 1,399,694.19 is: 2,100,357.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,901.31 : 4,980,287.66 = 1,399,694.19 : x
  2. Step 2: Convert to fraction form
    3,318,901.31/4,980,287.66 = 1,399,694.19/x
  3. Step 3: Cross multiply
    3,318,901.31x = 4,980,287.66 × 1,399,694.19
  4. Step 4: Simplify right side
    3,318,901.31x = 6,970,879,695,232.23
  5. Step 5: Solve for x
    x = 6,970,879,695,232.23/3,318,901.31
  6. Step 6: Final answer
    x = 2,100,357.63

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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.