Home / 2,134,255.78-3,201,389.08-872,083.42

Finding the Fourth Proportional to 2,134,255.78, 3,201,389.08 and 872,083.42

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Solution

The fourth proportional to 2,134,255.78, 3,201,389.08 and 872,083.42 is: 1,308,127.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,255.78 : 3,201,389.08 = 872,083.42 : x
  2. Step 2: Convert to fraction form
    2,134,255.78/3,201,389.08 = 872,083.42/x
  3. Step 3: Cross multiply
    2,134,255.78x = 3,201,389.08 × 872,083.42
  4. Step 4: Simplify right side
    2,134,255.78x = 2,791,878,337,637.05
  5. Step 5: Solve for x
    x = 2,791,878,337,637.05/2,134,255.78
  6. Step 6: Final answer
    x = 1,308,127.34

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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.