Home / 2,315,413.80-3,473,120.70-819,311.40

Finding the Fourth Proportional to 2,315,413.80, 3,473,120.70 and 819,311.40

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Solution

The fourth proportional to 2,315,413.80, 3,473,120.70 and 819,311.40 is: 1,228,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,413.80 : 3,473,120.70 = 819,311.40 : x
  2. Step 2: Convert to fraction form
    2,315,413.80/3,473,120.70 = 819,311.40/x
  3. Step 3: Cross multiply
    2,315,413.80x = 3,473,120.70 × 819,311.40
  4. Step 4: Simplify right side
    2,315,413.80x = 2,845,567,383,085.98
  5. Step 5: Solve for x
    x = 2,845,567,383,085.98/2,315,413.80
  6. Step 6: Final answer
    x = 1,228,967.10

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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.