Finding the Fourth Proportional to 3,675,984.80, 5,513,979.62 and 1,151,836.88
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Solution
The fourth proportional to 3,675,984.80, 5,513,979.62 and 1,151,836.88 is: 1,727,756.07
Step by Step Solution
- Step 1: Write the proportion equation
3,675,984.80 : 5,513,979.62 = 1,151,836.88 : x - Step 2: Convert to fraction form
3,675,984.80/5,513,979.62 = 1,151,836.88/x - Step 3: Cross multiply
3,675,984.80x = 5,513,979.62 × 1,151,836.88 - Step 4: Simplify right side
3,675,984.80x = 6,351,205,057,194.08 - Step 5: Solve for x
x = 6,351,205,057,194.08/3,675,984.80 - Step 6: Final answer
x = 1,727,756.07
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1.5x scale
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.