Home / 2,131,274.31-2,941,200.87-1,164,464.49

Finding the Fourth Proportional to 2,131,274.31, 2,941,200.87 and 1,164,464.49

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Solution

The fourth proportional to 2,131,274.31, 2,941,200.87 and 1,164,464.49 is: 1,606,984.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,274.31 : 2,941,200.87 = 1,164,464.49 : x
  2. Step 2: Convert to fraction form
    2,131,274.31/2,941,200.87 = 1,164,464.49/x
  3. Step 3: Cross multiply
    2,131,274.31x = 2,941,200.87 × 1,164,464.49
  4. Step 4: Simplify right side
    2,131,274.31x = 3,424,923,971,072.11
  5. Step 5: Solve for x
    x = 3,424,923,971,072.11/2,131,274.31
  6. Step 6: Final answer
    x = 1,606,984.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.