Home / 1,833,862.79-2,747,215.68-1,200,857.51

Finding the Fourth Proportional to 1,833,862.79, 2,747,215.68 and 1,200,857.51

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Solution

The fourth proportional to 1,833,862.79, 2,747,215.68 and 1,200,857.51 is: 1,798,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833,862.79 : 2,747,215.68 = 1,200,857.51 : x
  2. Step 2: Convert to fraction form
    1,833,862.79/2,747,215.68 = 1,200,857.51/x
  3. Step 3: Cross multiply
    1,833,862.79x = 2,747,215.68 × 1,200,857.51
  4. Step 4: Simplify right side
    1,833,862.79x = 3,299,014,567,181.68
  5. Step 5: Solve for x
    x = 3,299,014,567,181.68/1,833,862.79
  6. Step 6: Final answer
    x = 1,798,942.97

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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.