Home / 6,789,564.79-9,368,890.82-3,889,077.91

Finding the Fourth Proportional to 6,789,564.79, 9,368,890.82 and 3,889,077.91

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Solution

The fourth proportional to 6,789,564.79, 9,368,890.82 and 3,889,077.91 is: 5,366,521.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789,564.79 : 9,368,890.82 = 3,889,077.91 : x
  2. Step 2: Convert to fraction form
    6,789,564.79/9,368,890.82 = 3,889,077.91/x
  3. Step 3: Cross multiply
    6,789,564.79x = 9,368,890.82 × 3,889,077.91
  4. Step 4: Simplify right side
    6,789,564.79x = 36,436,346,300,980.21
  5. Step 5: Solve for x
    x = 36,436,346,300,980.21/6,789,564.79
  6. Step 6: Final answer
    x = 5,366,521.63

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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.