Home / 2,205,505.80-3,308,355.90-1,245,947.40

Finding the Fourth Proportional to 2,205,505.80, 3,308,355.90 and 1,245,947.40

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Solution

The fourth proportional to 2,205,505.80, 3,308,355.90 and 1,245,947.40 is: 1,868,976.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,505.80 : 3,308,355.90 = 1,245,947.40 : x
  2. Step 2: Convert to fraction form
    2,205,505.80/3,308,355.90 = 1,245,947.40/x
  3. Step 3: Cross multiply
    2,205,505.80x = 3,308,355.90 × 1,245,947.40
  4. Step 4: Simplify right side
    2,205,505.80x = 4,122,037,431,879.66
  5. Step 5: Solve for x
    x = 4,122,037,431,879.66/2,205,505.80
  6. Step 6: Final answer
    x = 1,868,976.01

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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.