Home / 2,687,233.80-4,030,850.70-1,889,416.20

Finding the Fourth Proportional to 2,687,233.80, 4,030,850.70 and 1,889,416.20

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Solution

The fourth proportional to 2,687,233.80, 4,030,850.70 and 1,889,416.20 is: 2,834,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,233.80 : 4,030,850.70 = 1,889,416.20 : x
  2. Step 2: Convert to fraction form
    2,687,233.80/4,030,850.70 = 1,889,416.20/x
  3. Step 3: Cross multiply
    2,687,233.80x = 4,030,850.70 × 1,889,416.20
  4. Step 4: Simplify right side
    2,687,233.80x = 7,615,954,612,361.34
  5. Step 5: Solve for x
    x = 7,615,954,612,361.34/2,687,233.80
  6. Step 6: Final answer
    x = 2,834,124.30

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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.