Home / 2,165,817.56-2,988,851.88-1,198,964

Finding the Fourth Proportional to 2,165,817.56, 2,988,851.88 and 1,198,964

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Solution

The fourth proportional to 2,165,817.56, 2,988,851.88 and 1,198,964 is: 1,654,583.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,817.56 : 2,988,851.88 = 1,198,964 : x
  2. Step 2: Convert to fraction form
    2,165,817.56/2,988,851.88 = 1,198,964/x
  3. Step 3: Cross multiply
    2,165,817.56x = 2,988,851.88 × 1,198,964
  4. Step 4: Simplify right side
    2,165,817.56x = 3,583,525,805,452.32
  5. Step 5: Solve for x
    x = 3,583,525,805,452.32/2,165,817.56
  6. Step 6: Final answer
    x = 1,654,583.41

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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.