Home / 3,947,556.31-5,912,366.13-3,089,279.08

Finding the Fourth Proportional to 3,947,556.31, 5,912,366.13 and 3,089,279.08

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Solution

The fourth proportional to 3,947,556.31, 5,912,366.13 and 3,089,279.08 is: 4,626,900.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,556.31 : 5,912,366.13 = 3,089,279.08 : x
  2. Step 2: Convert to fraction form
    3,947,556.31/5,912,366.13 = 3,089,279.08/x
  3. Step 3: Cross multiply
    3,947,556.31x = 5,912,366.13 × 3,089,279.08
  4. Step 4: Simplify right side
    3,947,556.31x = 18,264,948,998,709.56
  5. Step 5: Solve for x
    x = 18,264,948,998,709.56/3,947,556.31
  6. Step 6: Final answer
    x = 4,626,900.18

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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.