Home / 4,680,809.20-7,021,602.60-1,485,845.20

Finding the Fourth Proportional to 4,680,809.20, 7,021,602.60 and 1,485,845.20

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Solution

The fourth proportional to 4,680,809.20, 7,021,602.60 and 1,485,845.20 is: 2,228,891.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,809.20 : 7,021,602.60 = 1,485,845.20 : x
  2. Step 2: Convert to fraction form
    4,680,809.20/7,021,602.60 = 1,485,845.20/x
  3. Step 3: Cross multiply
    4,680,809.20x = 7,021,602.60 × 1,485,845.20
  4. Step 4: Simplify right side
    4,680,809.20x = 10,433,014,519,517.52
  5. Step 5: Solve for x
    x = 10,433,014,519,517.52/4,680,809.20
  6. Step 6: Final answer
    x = 2,228,891.22

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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.