Home / 2,798,211.47-4,196,847.69-776,660.77

Finding the Fourth Proportional to 2,798,211.47, 4,196,847.69 and 776,660.77

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Solution

The fourth proportional to 2,798,211.47, 4,196,847.69 and 776,660.77 is: 1,164,860.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,211.47 : 4,196,847.69 = 776,660.77 : x
  2. Step 2: Convert to fraction form
    2,798,211.47/4,196,847.69 = 776,660.77/x
  3. Step 3: Cross multiply
    2,798,211.47x = 4,196,847.69 × 776,660.77
  4. Step 4: Simplify right side
    2,798,211.47x = 3,259,526,958,488.12
  5. Step 5: Solve for x
    x = 3,259,526,958,488.12/2,798,211.47
  6. Step 6: Final answer
    x = 1,164,860.84

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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.