Finding the Fourth Proportional to 4,638,046.51, 6,397,844.98 and 2,892,685.75
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Solution
The fourth proportional to 4,638,046.51, 6,397,844.98 and 2,892,685.75 is: 3,990,247.83
Step by Step Solution
- Step 1: Write the proportion equation
4,638,046.51 : 6,397,844.98 = 2,892,685.75 : x - Step 2: Convert to fraction form
4,638,046.51/6,397,844.98 = 2,892,685.75/x - Step 3: Cross multiply
4,638,046.51x = 6,397,844.98 × 2,892,685.75 - Step 4: Simplify right side
4,638,046.51x = 18,506,955,025,220.43 - Step 5: Solve for x
x = 18,506,955,025,220.43/4,638,046.51 - Step 6: Final answer
x = 3,990,247.83
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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.