Home / 2,790,650.71-4,185,226.68-768,413.15

Finding the Fourth Proportional to 2,790,650.71, 4,185,226.68 and 768,413.15

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Solution

The fourth proportional to 2,790,650.71, 4,185,226.68 and 768,413.15 is: 1,152,413.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,650.71 : 4,185,226.68 = 768,413.15 : x
  2. Step 2: Convert to fraction form
    2,790,650.71/4,185,226.68 = 768,413.15/x
  3. Step 3: Cross multiply
    2,790,650.71x = 4,185,226.68 × 768,413.15
  4. Step 4: Simplify right side
    2,790,650.71x = 3,215,983,208,529.76
  5. Step 5: Solve for x
    x = 3,215,983,208,529.76/2,790,650.71
  6. Step 6: Final answer
    x = 1,152,413.38

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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.