Home / 1,839,195.50-2,538,441.03-1,217,905.59

Finding the Fourth Proportional to 1,839,195.50, 2,538,441.03 and 1,217,905.59

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Solution

The fourth proportional to 1,839,195.50, 2,538,441.03 and 1,217,905.59 is: 1,680,942.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,195.50 : 2,538,441.03 = 1,217,905.59 : x
  2. Step 2: Convert to fraction form
    1,839,195.50/2,538,441.03 = 1,217,905.59/x
  3. Step 3: Cross multiply
    1,839,195.50x = 2,538,441.03 × 1,217,905.59
  4. Step 4: Simplify right side
    1,839,195.50x = 3,091,581,520,322.36
  5. Step 5: Solve for x
    x = 3,091,581,520,322.36/1,839,195.50
  6. Step 6: Final answer
    x = 1,680,942.31

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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.