Home / 3,315,141.09-4,972,218.89-918,735.84

Finding the Fourth Proportional to 3,315,141.09, 4,972,218.89 and 918,735.84

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Solution

The fourth proportional to 3,315,141.09, 4,972,218.89 and 918,735.84 is: 1,377,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,141.09 : 4,972,218.89 = 918,735.84 : x
  2. Step 2: Convert to fraction form
    3,315,141.09/4,972,218.89 = 918,735.84/x
  3. Step 3: Cross multiply
    3,315,141.09x = 4,972,218.89 × 918,735.84
  4. Step 4: Simplify right side
    3,315,141.09x = 4,568,155,693,974.34
  5. Step 5: Solve for x
    x = 4,568,155,693,974.34/3,315,141.09
  6. Step 6: Final answer
    x = 1,377,967.20

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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.