Home / 1,928,181.88-2,891,690.33-579,986.49

Finding the Fourth Proportional to 1,928,181.88, 2,891,690.33 and 579,986.49

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Solution

The fourth proportional to 1,928,181.88, 2,891,690.33 and 579,986.49 is: 869,804.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,181.88 : 2,891,690.33 = 579,986.49 : x
  2. Step 2: Convert to fraction form
    1,928,181.88/2,891,690.33 = 579,986.49/x
  3. Step 3: Cross multiply
    1,928,181.88x = 2,891,690.33 × 579,986.49
  4. Step 4: Simplify right side
    1,928,181.88x = 1,677,141,321,763.71
  5. Step 5: Solve for x
    x = 1,677,141,321,763.71/1,928,181.88
  6. Step 6: Final answer
    x = 869,804.52

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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.