Home / 1,839,022.65-2,758,422.87-686,047.19

Finding the Fourth Proportional to 1,839,022.65, 2,758,422.87 and 686,047.19

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Solution

The fourth proportional to 1,839,022.65, 2,758,422.87 and 686,047.19 is: 1,029,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,022.65 : 2,758,422.87 = 686,047.19 : x
  2. Step 2: Convert to fraction form
    1,839,022.65/2,758,422.87 = 686,047.19/x
  3. Step 3: Cross multiply
    1,839,022.65x = 2,758,422.87 × 686,047.19
  4. Step 4: Simplify right side
    1,839,022.65x = 1,892,408,245,003.12
  5. Step 5: Solve for x
    x = 1,892,408,245,003.12/1,839,022.65
  6. Step 6: Final answer
    x = 1,029,029.33

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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.