Finding the Fourth Proportional to 3,836,052.66, 5,293,726.62 and 2,117,173.14
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Solution
The fourth proportional to 3,836,052.66, 5,293,726.62 and 2,117,173.14 is: 2,921,684.56
Step by Step Solution
- Step 1: Write the proportion equation
3,836,052.66 : 5,293,726.62 = 2,117,173.14 : x - Step 2: Convert to fraction form
3,836,052.66/5,293,726.62 = 2,117,173.14/x - Step 3: Cross multiply
3,836,052.66x = 5,293,726.62 × 2,117,173.14 - Step 4: Simplify right side
3,836,052.66x = 11,207,735,810,366.99 - Step 5: Solve for x
x = 11,207,735,810,366.99/3,836,052.66 - Step 6: Final answer
x = 2,921,684.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.