Home / 5,112,208.68-7,054,601.76-2,788,962.90

Finding the Fourth Proportional to 5,112,208.68, 7,054,601.76 and 2,788,962.90

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Solution

The fourth proportional to 5,112,208.68, 7,054,601.76 and 2,788,962.90 is: 3,848,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,208.68 : 7,054,601.76 = 2,788,962.90 : x
  2. Step 2: Convert to fraction form
    5,112,208.68/7,054,601.76 = 2,788,962.90/x
  3. Step 3: Cross multiply
    5,112,208.68x = 7,054,601.76 × 2,788,962.90
  4. Step 4: Simplify right side
    5,112,208.68x = 19,675,022,582,914.70
  5. Step 5: Solve for x
    x = 19,675,022,582,914.70/5,112,208.68
  6. Step 6: Final answer
    x = 3,848,634.48

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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.