Home / 2,611,219.40-3,916,829.10-1,489,401.80

Finding the Fourth Proportional to 2,611,219.40, 3,916,829.10 and 1,489,401.80

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Solution

The fourth proportional to 2,611,219.40, 3,916,829.10 and 1,489,401.80 is: 2,234,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611,219.40 : 3,916,829.10 = 1,489,401.80 : x
  2. Step 2: Convert to fraction form
    2,611,219.40/3,916,829.10 = 1,489,401.80/x
  3. Step 3: Cross multiply
    2,611,219.40x = 3,916,829.10 × 1,489,401.80
  4. Step 4: Simplify right side
    2,611,219.40x = 5,833,732,311,832.38
  5. Step 5: Solve for x
    x = 5,833,732,311,832.38/2,611,219.40
  6. Step 6: Final answer
    x = 2,234,102.70

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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.