Home / 5,142,083.09-7,707,686.44-1,901,538.56

Finding the Fourth Proportional to 5,142,083.09, 7,707,686.44 and 1,901,538.56

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Solution

The fourth proportional to 5,142,083.09, 7,707,686.44 and 1,901,538.56 is: 2,850,296.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142,083.09 : 7,707,686.44 = 1,901,538.56 : x
  2. Step 2: Convert to fraction form
    5,142,083.09/7,707,686.44 = 1,901,538.56/x
  3. Step 3: Cross multiply
    5,142,083.09x = 7,707,686.44 × 1,901,538.56
  4. Step 4: Simplify right side
    5,142,083.09x = 14,656,462,948,774.14
  5. Step 5: Solve for x
    x = 14,656,462,948,774.14/5,142,083.09
  6. Step 6: Final answer
    x = 2,850,296.79

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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.