Home / 1,956,143.40-2,934,069.30-818,611.80

Finding the Fourth Proportional to 1,956,143.40, 2,934,069.30 and 818,611.80

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Solution

The fourth proportional to 1,956,143.40, 2,934,069.30 and 818,611.80 is: 1,227,856.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,143.40 : 2,934,069.30 = 818,611.80 : x
  2. Step 2: Convert to fraction form
    1,956,143.40/2,934,069.30 = 818,611.80/x
  3. Step 3: Cross multiply
    1,956,143.40x = 2,934,069.30 × 818,611.80
  4. Step 4: Simplify right side
    1,956,143.40x = 2,401,863,750,997.74
  5. Step 5: Solve for x
    x = 2,401,863,750,997.74/1,956,143.40
  6. Step 6: Final answer
    x = 1,227,856.69

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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.