Home / 3,449,458.68-5,174,945.37-1,020,421.77

Finding the Fourth Proportional to 3,449,458.68, 5,174,945.37 and 1,020,421.77

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Solution

The fourth proportional to 3,449,458.68, 5,174,945.37 and 1,020,421.77 is: 1,530,856.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449,458.68 : 5,174,945.37 = 1,020,421.77 : x
  2. Step 2: Convert to fraction form
    3,449,458.68/5,174,945.37 = 1,020,421.77/x
  3. Step 3: Cross multiply
    3,449,458.68x = 5,174,945.37 × 1,020,421.77
  4. Step 4: Simplify right side
    3,449,458.68x = 5,280,626,883,131.87
  5. Step 5: Solve for x
    x = 5,280,626,883,131.87/3,449,458.68
  6. Step 6: Final answer
    x = 1,530,856.69

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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.