Home / 2,821,238.12-3,894,500.34-1,904,708.67

Finding the Fourth Proportional to 2,821,238.12, 3,894,500.34 and 1,904,708.67

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Solution

The fourth proportional to 2,821,238.12, 3,894,500.34 and 1,904,708.67 is: 2,629,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,238.12 : 3,894,500.34 = 1,904,708.67 : x
  2. Step 2: Convert to fraction form
    2,821,238.12/3,894,500.34 = 1,904,708.67/x
  3. Step 3: Cross multiply
    2,821,238.12x = 3,894,500.34 × 1,904,708.67
  4. Step 4: Simplify right side
    2,821,238.12x = 7,417,888,562,915.95
  5. Step 5: Solve for x
    x = 7,417,888,562,915.95/2,821,238.12
  6. Step 6: Final answer
    x = 2,629,302.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.