Home / 3,539,005.32-4,883,768.72-1,969,078.30

Finding the Fourth Proportional to 3,539,005.32, 4,883,768.72 and 1,969,078.30

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Solution

The fourth proportional to 3,539,005.32, 4,883,768.72 and 1,969,078.30 is: 2,717,295.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,005.32 : 4,883,768.72 = 1,969,078.30 : x
  2. Step 2: Convert to fraction form
    3,539,005.32/4,883,768.72 = 1,969,078.30/x
  3. Step 3: Cross multiply
    3,539,005.32x = 4,883,768.72 × 1,969,078.30
  4. Step 4: Simplify right side
    3,539,005.32x = 9,616,523,008,770.78
  5. Step 5: Solve for x
    x = 9,616,523,008,770.78/3,539,005.32
  6. Step 6: Final answer
    x = 2,717,295.44

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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.