Home / 4,190,758.20-6,286,137.30-1,666,413.45

Finding the Fourth Proportional to 4,190,758.20, 6,286,137.30 and 1,666,413.45

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Solution

The fourth proportional to 4,190,758.20, 6,286,137.30 and 1,666,413.45 is: 2,499,620.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190,758.20 : 6,286,137.30 = 1,666,413.45 : x
  2. Step 2: Convert to fraction form
    4,190,758.20/6,286,137.30 = 1,666,413.45/x
  3. Step 3: Cross multiply
    4,190,758.20x = 6,286,137.30 × 1,666,413.45
  4. Step 4: Simplify right side
    4,190,758.20x = 10,475,303,745,266.68
  5. Step 5: Solve for x
    x = 10,475,303,745,266.68/4,190,758.20
  6. Step 6: Final answer
    x = 2,499,620.18

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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.