Home / 3,172,584.88-4,378,172.60-1,814,457.88

Finding the Fourth Proportional to 3,172,584.88, 4,378,172.60 and 1,814,457.88

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Solution

The fourth proportional to 3,172,584.88, 4,378,172.60 and 1,814,457.88 is: 2,503,954.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,584.88 : 4,378,172.60 = 1,814,457.88 : x
  2. Step 2: Convert to fraction form
    3,172,584.88/4,378,172.60 = 1,814,457.88/x
  3. Step 3: Cross multiply
    3,172,584.88x = 4,378,172.60 × 1,814,457.88
  4. Step 4: Simplify right side
    3,172,584.88x = 7,944,009,743,106.94
  5. Step 5: Solve for x
    x = 7,944,009,743,106.94/3,172,584.88
  6. Step 6: Final answer
    x = 2,503,954.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.