Home / 3,620,836.40-5,431,253.76-925,166.64

Finding the Fourth Proportional to 3,620,836.40, 5,431,253.76 and 925,166.64

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Solution

The fourth proportional to 3,620,836.40, 5,431,253.76 and 925,166.64 is: 1,387,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,836.40 : 5,431,253.76 = 925,166.64 : x
  2. Step 2: Convert to fraction form
    3,620,836.40/5,431,253.76 = 925,166.64/x
  3. Step 3: Cross multiply
    3,620,836.40x = 5,431,253.76 × 925,166.64
  4. Step 4: Simplify right side
    3,620,836.40x = 5,024,814,792,126.57
  5. Step 5: Solve for x
    x = 5,024,814,792,126.57/3,620,836.40
  6. Step 6: Final answer
    x = 1,387,749.75

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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.