Home / 3,440,621.79-4,748,179.85-1,892,000.87

Finding the Fourth Proportional to 3,440,621.79, 4,748,179.85 and 1,892,000.87

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Solution

The fourth proportional to 3,440,621.79, 4,748,179.85 and 1,892,000.87 is: 2,611,028.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440,621.79 : 4,748,179.85 = 1,892,000.87 : x
  2. Step 2: Convert to fraction form
    3,440,621.79/4,748,179.85 = 1,892,000.87/x
  3. Step 3: Cross multiply
    3,440,621.79x = 4,748,179.85 × 1,892,000.87
  4. Step 4: Simplify right side
    3,440,621.79x = 8,983,560,373,915.57
  5. Step 5: Solve for x
    x = 8,983,560,373,915.57/3,440,621.79
  6. Step 6: Final answer
    x = 2,611,028.16

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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.