Home / 5,111,947.14-7,054,509.93-2,788,832.61

Finding the Fourth Proportional to 5,111,947.14, 7,054,509.93 and 2,788,832.61

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Solution

The fourth proportional to 5,111,947.14, 7,054,509.93 and 2,788,832.61 is: 3,848,601.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111,947.14 : 7,054,509.93 = 2,788,832.61 : x
  2. Step 2: Convert to fraction form
    5,111,947.14/7,054,509.93 = 2,788,832.61/x
  3. Step 3: Cross multiply
    5,111,947.14x = 7,054,509.93 × 2,788,832.61
  4. Step 4: Simplify right side
    5,111,947.14x = 19,673,847,340,352.82
  5. Step 5: Solve for x
    x = 19,673,847,340,352.82/5,111,947.14
  6. Step 6: Final answer
    x = 3,848,601.48

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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.