Home / 3,221,702.72-4,445,830.19-1,771,311.86

Finding the Fourth Proportional to 3,221,702.72, 4,445,830.19 and 1,771,311.86

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Solution

The fourth proportional to 3,221,702.72, 4,445,830.19 and 1,771,311.86 is: 2,444,344.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,702.72 : 4,445,830.19 = 1,771,311.86 : x
  2. Step 2: Convert to fraction form
    3,221,702.72/4,445,830.19 = 1,771,311.86/x
  3. Step 3: Cross multiply
    3,221,702.72x = 4,445,830.19 × 1,771,311.86
  4. Step 4: Simplify right side
    3,221,702.72x = 7,874,951,734,236.49
  5. Step 5: Solve for x
    x = 7,874,951,734,236.49/3,221,702.72
  6. Step 6: Final answer
    x = 2,444,344.63

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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.