Home / 1,839,215.40-2,758,790.89-827,621.38

Finding the Fourth Proportional to 1,839,215.40, 2,758,790.89 and 827,621.38

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Solution

The fourth proportional to 1,839,215.40, 2,758,790.89 and 827,621.38 is: 1,241,417.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,215.40 : 2,758,790.89 = 827,621.38 : x
  2. Step 2: Convert to fraction form
    1,839,215.40/2,758,790.89 = 827,621.38/x
  3. Step 3: Cross multiply
    1,839,215.40x = 2,758,790.89 × 827,621.38
  4. Step 4: Simplify right side
    1,839,215.40x = 2,283,234,323,513.23
  5. Step 5: Solve for x
    x = 2,283,234,323,513.23/1,839,215.40
  6. Step 6: Final answer
    x = 1,241,417.58

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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.