Home / 3,389,583-4,676,486.40-1,919,290.58

Finding the Fourth Proportional to 3,389,583, 4,676,486.40 and 1,919,290.58

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Solution

The fourth proportional to 3,389,583, 4,676,486.40 and 1,919,290.58 is: 2,647,976.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389,583 : 4,676,486.40 = 1,919,290.58 : x
  2. Step 2: Convert to fraction form
    3,389,583/4,676,486.40 = 1,919,290.58/x
  3. Step 3: Cross multiply
    3,389,583x = 4,676,486.40 × 1,919,290.58
  4. Step 4: Simplify right side
    3,389,583x = 8,975,536,271,635.68
  5. Step 5: Solve for x
    x = 8,975,536,271,635.68/3,389,583
  6. Step 6: Final answer
    x = 2,647,976.54

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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.