Home / 3,413,430.42-5,118,431.56-1,138,149.43

Finding the Fourth Proportional to 3,413,430.42, 5,118,431.56 and 1,138,149.43

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Solution

The fourth proportional to 3,413,430.42, 5,118,431.56 and 1,138,149.43 is: 1,706,652.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413,430.42 : 5,118,431.56 = 1,138,149.43 : x
  2. Step 2: Convert to fraction form
    3,413,430.42/5,118,431.56 = 1,138,149.43/x
  3. Step 3: Cross multiply
    3,413,430.42x = 5,118,431.56 × 1,138,149.43
  4. Step 4: Simplify right side
    3,413,430.42x = 5,825,539,953,268.65
  5. Step 5: Solve for x
    x = 5,825,539,953,268.65/3,413,430.42
  6. Step 6: Final answer
    x = 1,706,652.62

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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.