Home / 5,212,435.32-7,819,741.62-1,618,108.92

Finding the Fourth Proportional to 5,212,435.32, 7,819,741.62 and 1,618,108.92

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Solution

The fourth proportional to 5,212,435.32, 7,819,741.62 and 1,618,108.92 is: 2,427,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212,435.32 : 7,819,741.62 = 1,618,108.92 : x
  2. Step 2: Convert to fraction form
    5,212,435.32/7,819,741.62 = 1,618,108.92/x
  3. Step 3: Cross multiply
    5,212,435.32x = 7,819,741.62 × 1,618,108.92
  4. Step 4: Simplify right side
    5,212,435.32x = 12,653,193,667,417.25
  5. Step 5: Solve for x
    x = 12,653,193,667,417.25/5,212,435.32
  6. Step 6: Final answer
    x = 2,427,501.33

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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.