Home / 2,122,142.57-3,181,293.54-773,989.10

Finding the Fourth Proportional to 2,122,142.57, 3,181,293.54 and 773,989.10

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Solution

The fourth proportional to 2,122,142.57, 3,181,293.54 and 773,989.10 is: 1,160,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,142.57 : 3,181,293.54 = 773,989.10 : x
  2. Step 2: Convert to fraction form
    2,122,142.57/3,181,293.54 = 773,989.10/x
  3. Step 3: Cross multiply
    2,122,142.57x = 3,181,293.54 × 773,989.10
  4. Step 4: Simplify right side
    2,122,142.57x = 2,462,286,507,953.95
  5. Step 5: Solve for x
    x = 2,462,286,507,953.95/2,122,142.57
  6. Step 6: Final answer
    x = 1,160,283.27

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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.