Home / 2,676,500.80-4,011,640.80-1,078,273.60

Finding the Fourth Proportional to 2,676,500.80, 4,011,640.80 and 1,078,273.60

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Solution

The fourth proportional to 2,676,500.80, 4,011,640.80 and 1,078,273.60 is: 1,616,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676,500.80 : 4,011,640.80 = 1,078,273.60 : x
  2. Step 2: Convert to fraction form
    2,676,500.80/4,011,640.80 = 1,078,273.60/x
  3. Step 3: Cross multiply
    2,676,500.80x = 4,011,640.80 × 1,078,273.60
  4. Step 4: Simplify right side
    2,676,500.80x = 4,325,646,367,322.88
  5. Step 5: Solve for x
    x = 4,325,646,367,322.88/2,676,500.80
  6. Step 6: Final answer
    x = 1,616,157.32

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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.