Home / 3,430,790.82-5,139,690.48-2,290,113.54

Finding the Fourth Proportional to 3,430,790.82, 5,139,690.48 and 2,290,113.54

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Solution

The fourth proportional to 3,430,790.82, 5,139,690.48 and 2,290,113.54 is: 3,430,834.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430,790.82 : 5,139,690.48 = 2,290,113.54 : x
  2. Step 2: Convert to fraction form
    3,430,790.82/5,139,690.48 = 2,290,113.54/x
  3. Step 3: Cross multiply
    3,430,790.82x = 5,139,690.48 × 2,290,113.54
  4. Step 4: Simplify right side
    3,430,790.82x = 11,770,474,759,657.10
  5. Step 5: Solve for x
    x = 11,770,474,759,657.10/3,430,790.82
  6. Step 6: Final answer
    x = 3,430,834.28

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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.