Home / 3,620,630-5,431,644.36-1,376,593.52

Finding the Fourth Proportional to 3,620,630, 5,431,644.36 and 1,376,593.52

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Solution

The fourth proportional to 3,620,630, 5,431,644.36 and 1,376,593.52 is: 2,065,156.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,630 : 5,431,644.36 = 1,376,593.52 : x
  2. Step 2: Convert to fraction form
    3,620,630/5,431,644.36 = 1,376,593.52/x
  3. Step 3: Cross multiply
    3,620,630x = 5,431,644.36 × 1,376,593.52
  4. Step 4: Simplify right side
    3,620,630x = 7,477,166,428,920.55
  5. Step 5: Solve for x
    x = 7,477,166,428,920.55/3,620,630
  6. Step 6: Final answer
    x = 2,065,156.18

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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.