Home / 4,271,822.45-6,408,123.01-1,392,450.20

Finding the Fourth Proportional to 4,271,822.45, 6,408,123.01 and 1,392,450.20

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Solution

The fourth proportional to 4,271,822.45, 6,408,123.01 and 1,392,450.20 is: 2,088,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271,822.45 : 6,408,123.01 = 1,392,450.20 : x
  2. Step 2: Convert to fraction form
    4,271,822.45/6,408,123.01 = 1,392,450.20/x
  3. Step 3: Cross multiply
    4,271,822.45x = 6,408,123.01 × 1,392,450.20
  4. Step 4: Simplify right side
    4,271,822.45x = 8,922,992,166,899.10
  5. Step 5: Solve for x
    x = 8,922,992,166,899.10/4,271,822.45
  6. Step 6: Final answer
    x = 2,088,802.21

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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.