Home / 2,759,845.57-4,137,996.88-1,812,109.12

Finding the Fourth Proportional to 2,759,845.57, 4,137,996.88 and 1,812,109.12

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Solution

The fourth proportional to 2,759,845.57, 4,137,996.88 and 1,812,109.12 is: 2,717,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759,845.57 : 4,137,996.88 = 1,812,109.12 : x
  2. Step 2: Convert to fraction form
    2,759,845.57/4,137,996.88 = 1,812,109.12/x
  3. Step 3: Cross multiply
    2,759,845.57x = 4,137,996.88 × 1,812,109.12
  4. Step 4: Simplify right side
    2,759,845.57x = 7,498,501,876,699.69
  5. Step 5: Solve for x
    x = 7,498,501,876,699.69/2,759,845.57
  6. Step 6: Final answer
    x = 2,717,000.53

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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.