Home / 6,421,581.10-9,633,979.10-1,872,630.42

Finding the Fourth Proportional to 6,421,581.10, 9,633,979.10 and 1,872,630.42

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Solution

The fourth proportional to 6,421,581.10, 9,633,979.10 and 1,872,630.42 is: 2,809,414.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,581.10 : 9,633,979.10 = 1,872,630.42 : x
  2. Step 2: Convert to fraction form
    6,421,581.10/9,633,979.10 = 1,872,630.42/x
  3. Step 3: Cross multiply
    6,421,581.10x = 9,633,979.10 × 1,872,630.42
  4. Step 4: Simplify right side
    6,421,581.10x = 18,040,882,328,304.22
  5. Step 5: Solve for x
    x = 18,040,882,328,304.22/6,421,581.10
  6. Step 6: Final answer
    x = 2,809,414.39

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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.