Home / 4,271,821.45-6,408,121.51-1,392,449.20

Finding the Fourth Proportional to 4,271,821.45, 6,408,121.51 and 1,392,449.20

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Solution

The fourth proportional to 4,271,821.45, 6,408,121.51 and 1,392,449.20 is: 2,088,800.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271,821.45 : 6,408,121.51 = 1,392,449.20 : x
  2. Step 2: Convert to fraction form
    4,271,821.45/6,408,121.51 = 1,392,449.20/x
  3. Step 3: Cross multiply
    4,271,821.45x = 6,408,121.51 × 1,392,449.20
  4. Step 4: Simplify right side
    4,271,821.45x = 8,922,983,670,102.29
  5. Step 5: Solve for x
    x = 8,922,983,670,102.29/4,271,821.45
  6. Step 6: Final answer
    x = 2,088,800.71

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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.