Home / 2,165,172.64-2,987,916.24-1,198,304.80

Finding the Fourth Proportional to 2,165,172.64, 2,987,916.24 and 1,198,304.80

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Solution

The fourth proportional to 2,165,172.64, 2,987,916.24 and 1,198,304.80 is: 1,653,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,172.64 : 2,987,916.24 = 1,198,304.80 : x
  2. Step 2: Convert to fraction form
    2,165,172.64/2,987,916.24 = 1,198,304.80/x
  3. Step 3: Cross multiply
    2,165,172.64x = 2,987,916.24 × 1,198,304.80
  4. Step 4: Simplify right side
    2,165,172.64x = 3,580,434,372,389.95
  5. Step 5: Solve for x
    x = 3,580,434,372,389.95/2,165,172.64
  6. Step 6: Final answer
    x = 1,653,648.45

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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.