Home / 2,106,018.40-3,149,811.60-1,882,991.20

Finding the Fourth Proportional to 2,106,018.40, 3,149,811.60 and 1,882,991.20

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Solution

The fourth proportional to 2,106,018.40, 3,149,811.60 and 1,882,991.20 is: 2,816,246.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,018.40 : 3,149,811.60 = 1,882,991.20 : x
  2. Step 2: Convert to fraction form
    2,106,018.40/3,149,811.60 = 1,882,991.20/x
  3. Step 3: Cross multiply
    2,106,018.40x = 3,149,811.60 × 1,882,991.20
  4. Step 4: Simplify right side
    2,106,018.40x = 5,931,067,524,457.92
  5. Step 5: Solve for x
    x = 5,931,067,524,457.92/2,106,018.40
  6. Step 6: Final answer
    x = 2,816,246.77

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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.