Home / 2,077,589.79-3,117,784.37-815,268.51

Finding the Fourth Proportional to 2,077,589.79, 3,117,784.37 and 815,268.51

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Solution

The fourth proportional to 2,077,589.79, 3,117,784.37 and 815,268.51 is: 1,223,452.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,589.79 : 3,117,784.37 = 815,268.51 : x
  2. Step 2: Convert to fraction form
    2,077,589.79/3,117,784.37 = 815,268.51/x
  3. Step 3: Cross multiply
    2,077,589.79x = 3,117,784.37 × 815,268.51
  4. Step 4: Simplify right side
    2,077,589.79x = 2,541,831,413,754.85
  5. Step 5: Solve for x
    x = 2,541,831,413,754.85/2,077,589.79
  6. Step 6: Final answer
    x = 1,223,452.01

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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.