Home / 2,212,510.19-3,319,454.21-792,578.57

Finding the Fourth Proportional to 2,212,510.19, 3,319,454.21 and 792,578.57

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Solution

The fourth proportional to 2,212,510.19, 3,319,454.21 and 792,578.57 is: 1,189,114.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,510.19 : 3,319,454.21 = 792,578.57 : x
  2. Step 2: Convert to fraction form
    2,212,510.19/3,319,454.21 = 792,578.57/x
  3. Step 3: Cross multiply
    2,212,510.19x = 3,319,454.21 × 792,578.57
  4. Step 4: Simplify right side
    2,212,510.19x = 2,630,928,250,382.12
  5. Step 5: Solve for x
    x = 2,630,928,250,382.12/2,212,510.19
  6. Step 6: Final answer
    x = 1,189,114.64

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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.