Home / 3,907,703.87-5,390,647.42-2,666,383.17

Finding the Fourth Proportional to 3,907,703.87, 5,390,647.42 and 2,666,383.17

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Solution

The fourth proportional to 3,907,703.87, 5,390,647.42 and 2,666,383.17 is: 3,678,255.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,703.87 : 5,390,647.42 = 2,666,383.17 : x
  2. Step 2: Convert to fraction form
    3,907,703.87/5,390,647.42 = 2,666,383.17/x
  3. Step 3: Cross multiply
    3,907,703.87x = 5,390,647.42 × 2,666,383.17
  4. Step 4: Simplify right side
    3,907,703.87x = 14,373,531,556,091.92
  5. Step 5: Solve for x
    x = 14,373,531,556,091.92/3,907,703.87
  6. Step 6: Final answer
    x = 3,678,255.07

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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.