Home / 2,188,759.60-3,283,139.40-1,657,318.60

Finding the Fourth Proportional to 2,188,759.60, 3,283,139.40 and 1,657,318.60

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Solution

The fourth proportional to 2,188,759.60, 3,283,139.40 and 1,657,318.60 is: 2,485,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,759.60 : 3,283,139.40 = 1,657,318.60 : x
  2. Step 2: Convert to fraction form
    2,188,759.60/3,283,139.40 = 1,657,318.60/x
  3. Step 3: Cross multiply
    2,188,759.60x = 3,283,139.40 × 1,657,318.60
  4. Step 4: Simplify right side
    2,188,759.60x = 5,441,207,994,012.84
  5. Step 5: Solve for x
    x = 5,441,207,994,012.84/2,188,759.60
  6. Step 6: Final answer
    x = 2,485,977.90

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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.