Home / 3,611,905.83-4,984,403.70-1,980,286.28

Finding the Fourth Proportional to 3,611,905.83, 4,984,403.70 and 1,980,286.28

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Solution

The fourth proportional to 3,611,905.83, 4,984,403.70 and 1,980,286.28 is: 2,732,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611,905.83 : 4,984,403.70 = 1,980,286.28 : x
  2. Step 2: Convert to fraction form
    3,611,905.83/4,984,403.70 = 1,980,286.28/x
  3. Step 3: Cross multiply
    3,611,905.83x = 4,984,403.70 × 1,980,286.28
  4. Step 4: Simplify right side
    3,611,905.83x = 9,870,546,251,147.70
  5. Step 5: Solve for x
    x = 9,870,546,251,147.70/3,611,905.83
  6. Step 6: Final answer
    x = 2,732,780.62

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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.