Home / 6,789,579.85-9,369,866.57-3,889,531.21

Finding the Fourth Proportional to 6,789,579.85, 9,369,866.57 and 3,889,531.21

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Solution

The fourth proportional to 6,789,579.85, 9,369,866.57 and 3,889,531.21 is: 5,367,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789,579.85 : 9,369,866.57 = 3,889,531.21 : x
  2. Step 2: Convert to fraction form
    6,789,579.85/9,369,866.57 = 3,889,531.21/x
  3. Step 3: Cross multiply
    6,789,579.85x = 9,369,866.57 × 3,889,531.21
  4. Step 4: Simplify right side
    6,789,579.85x = 36,444,388,457,550.65
  5. Step 5: Solve for x
    x = 36,444,388,457,550.65/6,789,579.85
  6. Step 6: Final answer
    x = 5,367,694.21

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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.