Home / 1,538,530.11-2,308,471.83-818,702.19

Finding the Fourth Proportional to 1,538,530.11, 2,308,471.83 and 818,702.19

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Solution

The fourth proportional to 1,538,530.11, 2,308,471.83 and 818,702.19 is: 1,228,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,530.11 : 2,308,471.83 = 818,702.19 : x
  2. Step 2: Convert to fraction form
    1,538,530.11/2,308,471.83 = 818,702.19/x
  3. Step 3: Cross multiply
    1,538,530.11x = 2,308,471.83 × 818,702.19
  4. Step 4: Simplify right side
    1,538,530.11x = 1,889,950,942,774.31
  5. Step 5: Solve for x
    x = 1,889,950,942,774.31/1,538,530.11
  6. Step 6: Final answer
    x = 1,228,413.36

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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.