Finding the Fourth Proportional to 3,174,836.95, 4,381,968.27 and 1,952,194.60
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Solution
The fourth proportional to 3,174,836.95, 4,381,968.27 and 1,952,194.60 is: 2,694,454.84
Step by Step Solution
- Step 1: Write the proportion equation
3,174,836.95 : 4,381,968.27 = 1,952,194.60 : x - Step 2: Convert to fraction form
3,174,836.95/4,381,968.27 = 1,952,194.60/x - Step 3: Cross multiply
3,174,836.95x = 4,381,968.27 × 1,952,194.60 - Step 4: Simplify right side
3,174,836.95x = 8,554,454,794,065.34 - Step 5: Solve for x
x = 8,554,454,794,065.34/3,174,836.95 - Step 6: Final answer
x = 2,694,454.84
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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.