Home / 5,119,788.25-7,065,172.88-2,827,899.73

Finding the Fourth Proportional to 5,119,788.25, 7,065,172.88 and 2,827,899.73

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Solution

The fourth proportional to 5,119,788.25, 7,065,172.88 and 2,827,899.73 is: 3,902,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119,788.25 : 7,065,172.88 = 2,827,899.73 : x
  2. Step 2: Convert to fraction form
    5,119,788.25/7,065,172.88 = 2,827,899.73/x
  3. Step 3: Cross multiply
    5,119,788.25x = 7,065,172.88 × 2,827,899.73
  4. Step 4: Simplify right side
    5,119,788.25x = 19,979,600,458,557.52
  5. Step 5: Solve for x
    x = 19,979,600,458,557.52/5,119,788.25
  6. Step 6: Final answer
    x = 3,902,427.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.