Home / 6,786,991.89-9,366,109.75-3,689,521.25

Finding the Fourth Proportional to 6,786,991.89, 9,366,109.75 and 3,689,521.25

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Solution

The fourth proportional to 6,786,991.89, 9,366,109.75 and 3,689,521.25 is: 5,091,572.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786,991.89 : 9,366,109.75 = 3,689,521.25 : x
  2. Step 2: Convert to fraction form
    6,786,991.89/9,366,109.75 = 3,689,521.25/x
  3. Step 3: Cross multiply
    6,786,991.89x = 9,366,109.75 × 3,689,521.25
  4. Step 4: Simplify right side
    6,786,991.89x = 34,556,460,910,238.54
  5. Step 5: Solve for x
    x = 34,556,460,910,238.54/6,786,991.89
  6. Step 6: Final answer
    x = 5,091,572.45

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Double scale
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1.5x scale

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.