Home / 2,142,050.36-3,212,944.08-879,845.24

Finding the Fourth Proportional to 2,142,050.36, 3,212,944.08 and 879,845.24

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Solution

The fourth proportional to 2,142,050.36, 3,212,944.08 and 879,845.24 is: 1,319,713.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,050.36 : 3,212,944.08 = 879,845.24 : x
  2. Step 2: Convert to fraction form
    2,142,050.36/3,212,944.08 = 879,845.24/x
  3. Step 3: Cross multiply
    2,142,050.36x = 3,212,944.08 × 879,845.24
  4. Step 4: Simplify right side
    2,142,050.36x = 2,826,893,555,174.18
  5. Step 5: Solve for x
    x = 2,826,893,555,174.18/2,142,050.36
  6. Step 6: Final answer
    x = 1,319,713.86

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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.