Home / 5,228,413.80-7,842,620.70-2,199,200.10

Finding the Fourth Proportional to 5,228,413.80, 7,842,620.70 and 2,199,200.10

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Solution

The fourth proportional to 5,228,413.80, 7,842,620.70 and 2,199,200.10 is: 3,298,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,413.80 : 7,842,620.70 = 2,199,200.10 : x
  2. Step 2: Convert to fraction form
    5,228,413.80/7,842,620.70 = 2,199,200.10/x
  3. Step 3: Cross multiply
    5,228,413.80x = 7,842,620.70 × 2,199,200.10
  4. Step 4: Simplify right side
    5,228,413.80x = 17,247,492,227,702.07
  5. Step 5: Solve for x
    x = 17,247,492,227,702.07/5,228,413.80
  6. Step 6: Final answer
    x = 3,298,800.15

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Double scale
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Similar ratio
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1.5x scale

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.