Finding the Fourth Proportional to 4,340,616.99, 6,505,702.88 and 1,605,984.09
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Solution
The fourth proportional to 4,340,616.99, 6,505,702.88 and 1,605,984.09 is: 2,407,043.82
Step by Step Solution
- Step 1: Write the proportion equation
4,340,616.99 : 6,505,702.88 = 1,605,984.09 : x - Step 2: Convert to fraction form
4,340,616.99/6,505,702.88 = 1,605,984.09/x - Step 3: Cross multiply
4,340,616.99x = 6,505,702.88 × 1,605,984.09 - Step 4: Simplify right side
4,340,616.99x = 10,448,055,311,517.26 - Step 5: Solve for x
x = 10,448,055,311,517.26/4,340,616.99 - Step 6: Final answer
x = 2,407,043.82
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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.