Home / 3,144,257.40-4,705,499.70-1,882,990.20

Finding the Fourth Proportional to 3,144,257.40, 4,705,499.70 and 1,882,990.20

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Solution

The fourth proportional to 3,144,257.40, 4,705,499.70 and 1,882,990.20 is: 2,817,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144,257.40 : 4,705,499.70 = 1,882,990.20 : x
  2. Step 2: Convert to fraction form
    3,144,257.40/4,705,499.70 = 1,882,990.20/x
  3. Step 3: Cross multiply
    3,144,257.40x = 4,705,499.70 × 1,882,990.20
  4. Step 4: Simplify right side
    3,144,257.40x = 8,860,409,821,202.94
  5. Step 5: Solve for x
    x = 8,860,409,821,202.94/3,144,257.40
  6. Step 6: Final answer
    x = 2,817,965.80

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1.5x scale

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.