Home / 3,186,413.21-4,780,319.66-942,376.25

Finding the Fourth Proportional to 3,186,413.21, 4,780,319.66 and 942,376.25

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Solution

The fourth proportional to 3,186,413.21, 4,780,319.66 and 942,376.25 is: 1,413,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,413.21 : 4,780,319.66 = 942,376.25 : x
  2. Step 2: Convert to fraction form
    3,186,413.21/4,780,319.66 = 942,376.25/x
  3. Step 3: Cross multiply
    3,186,413.21x = 4,780,319.66 × 942,376.25
  4. Step 4: Simplify right side
    3,186,413.21x = 4,504,859,710,280.19
  5. Step 5: Solve for x
    x = 4,504,859,710,280.19/3,186,413.21
  6. Step 6: Final answer
    x = 1,413,771.35

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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.