Finding the Fourth Proportional to 3,675,632.09, 5,508,480.19 and 1,399,915.05
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Solution
The fourth proportional to 3,675,632.09, 5,508,480.19 and 1,399,915.05 is: 2,097,980.46
Step by Step Solution
- Step 1: Write the proportion equation
3,675,632.09 : 5,508,480.19 = 1,399,915.05 : x - Step 2: Convert to fraction form
3,675,632.09/5,508,480.19 = 1,399,915.05/x - Step 3: Cross multiply
3,675,632.09x = 5,508,480.19 × 1,399,915.05 - Step 4: Simplify right side
3,675,632.09x = 7,711,404,293,065.46 - Step 5: Solve for x
x = 7,711,404,293,065.46/3,675,632.09 - Step 6: Final answer
x = 2,097,980.46
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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.