Home / 2,839,389.40-4,259,084.10-1,419,664.60

Finding the Fourth Proportional to 2,839,389.40, 4,259,084.10 and 1,419,664.60

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Solution

The fourth proportional to 2,839,389.40, 4,259,084.10 and 1,419,664.60 is: 2,129,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,389.40 : 4,259,084.10 = 1,419,664.60 : x
  2. Step 2: Convert to fraction form
    2,839,389.40/4,259,084.10 = 1,419,664.60/x
  3. Step 3: Cross multiply
    2,839,389.40x = 4,259,084.10 × 1,419,664.60
  4. Step 4: Simplify right side
    2,839,389.40x = 6,046,470,925,192.86
  5. Step 5: Solve for x
    x = 6,046,470,925,192.86/2,839,389.40
  6. Step 6: Final answer
    x = 2,129,496.90

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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.