Home / 1,916,191.88-2,644,308.98-1,045,036.92

Finding the Fourth Proportional to 1,916,191.88, 2,644,308.98 and 1,045,036.92

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Solution

The fourth proportional to 1,916,191.88, 2,644,308.98 and 1,045,036.92 is: 1,442,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,191.88 : 2,644,308.98 = 1,045,036.92 : x
  2. Step 2: Convert to fraction form
    1,916,191.88/2,644,308.98 = 1,045,036.92/x
  3. Step 3: Cross multiply
    1,916,191.88x = 2,644,308.98 × 1,045,036.92
  4. Step 4: Simplify right side
    1,916,191.88x = 2,763,400,511,987.54
  5. Step 5: Solve for x
    x = 2,763,400,511,987.54/1,916,191.88
  6. Step 6: Final answer
    x = 1,442,131.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.