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Finding the Fourth Proportional to 1,835,918.82, 2,751,909.39 and 887,985.54

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Solution

The fourth proportional to 1,835,918.82, 2,751,909.39 and 887,985.54 is: 1,331,026.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835,918.82 : 2,751,909.39 = 887,985.54 : x
  2. Step 2: Convert to fraction form
    1,835,918.82/2,751,909.39 = 887,985.54/x
  3. Step 3: Cross multiply
    1,835,918.82x = 2,751,909.39 × 887,985.54
  4. Step 4: Simplify right side
    1,835,918.82x = 2,443,655,745,710.22
  5. Step 5: Solve for x
    x = 2,443,655,745,710.22/1,835,918.82
  6. Step 6: Final answer
    x = 1,331,026.03

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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.