Home / 6,442,446-8,890,348.86-3,541,815.84

Finding the Fourth Proportional to 6,442,446, 8,890,348.86 and 3,541,815.84

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Solution

The fourth proportional to 6,442,446, 8,890,348.86 and 3,541,815.84 is: 4,887,581.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,446 : 8,890,348.86 = 3,541,815.84 : x
  2. Step 2: Convert to fraction form
    6,442,446/8,890,348.86 = 3,541,815.84/x
  3. Step 3: Cross multiply
    6,442,446x = 8,890,348.86 × 3,541,815.84
  4. Step 4: Simplify right side
    6,442,446x = 31,487,978,415,473.94
  5. Step 5: Solve for x
    x = 31,487,978,415,473.94/6,442,446
  6. Step 6: Final answer
    x = 4,887,581.27

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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.