Home / 2,768,906.80-4,155,217.80-971,786.80

Finding the Fourth Proportional to 2,768,906.80, 4,155,217.80 and 971,786.80

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Solution

The fourth proportional to 2,768,906.80, 4,155,217.80 and 971,786.80 is: 1,458,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,906.80 : 4,155,217.80 = 971,786.80 : x
  2. Step 2: Convert to fraction form
    2,768,906.80/4,155,217.80 = 971,786.80/x
  3. Step 3: Cross multiply
    2,768,906.80x = 4,155,217.80 × 971,786.80
  4. Step 4: Simplify right side
    2,768,906.80x = 4,037,985,809,165.04
  5. Step 5: Solve for x
    x = 4,037,985,809,165.04/2,768,906.80
  6. Step 6: Final answer
    x = 1,458,332.15

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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.