Home / 2,092,856.81-2,887,413.18-1,318,556.81

Finding the Fourth Proportional to 2,092,856.81, 2,887,413.18 and 1,318,556.81

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Solution

The fourth proportional to 2,092,856.81, 2,887,413.18 and 1,318,556.81 is: 1,819,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092,856.81 : 2,887,413.18 = 1,318,556.81 : x
  2. Step 2: Convert to fraction form
    2,092,856.81/2,887,413.18 = 1,318,556.81/x
  3. Step 3: Cross multiply
    2,092,856.81x = 2,887,413.18 × 1,318,556.81
  4. Step 4: Simplify right side
    2,092,856.81x = 3,807,218,314,046.70
  5. Step 5: Solve for x
    x = 3,807,218,314,046.70/2,092,856.81
  6. Step 6: Final answer
    x = 1,819,148.98

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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.