Home / 3,260,290.47-4,890,452.56-1,911,507.22

Finding the Fourth Proportional to 3,260,290.47, 4,890,452.56 and 1,911,507.22

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Solution

The fourth proportional to 3,260,290.47, 4,890,452.56 and 1,911,507.22 is: 2,867,270.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260,290.47 : 4,890,452.56 = 1,911,507.22 : x
  2. Step 2: Convert to fraction form
    3,260,290.47/4,890,452.56 = 1,911,507.22/x
  3. Step 3: Cross multiply
    3,260,290.47x = 4,890,452.56 × 1,911,507.22
  4. Step 4: Simplify right side
    3,260,290.47x = 9,348,135,378,841.78
  5. Step 5: Solve for x
    x = 9,348,135,378,841.78/3,260,290.47
  6. Step 6: Final answer
    x = 2,867,270.72

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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.