Home / 3,947,809.04-5,922,279-1,215,588.12

Finding the Fourth Proportional to 3,947,809.04, 5,922,279 and 1,215,588.12

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Solution

The fourth proportional to 3,947,809.04, 5,922,279 and 1,215,588.12 is: 1,823,556.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,809.04 : 5,922,279 = 1,215,588.12 : x
  2. Step 2: Convert to fraction form
    3,947,809.04/5,922,279 = 1,215,588.12/x
  3. Step 3: Cross multiply
    3,947,809.04x = 5,922,279 × 1,215,588.12
  4. Step 4: Simplify right side
    3,947,809.04x = 7,199,051,995,725.48
  5. Step 5: Solve for x
    x = 7,199,051,995,725.48/3,947,809.04
  6. Step 6: Final answer
    x = 1,823,556.29

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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.