Finding the Fourth Proportional to 3,397,612.68, 4,688,706.24 and 1,869,719.79
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Solution
The fourth proportional to 3,397,612.68, 4,688,706.24 and 1,869,719.79 is: 2,580,213.72
Step by Step Solution
- Step 1: Write the proportion equation
3,397,612.68 : 4,688,706.24 = 1,869,719.79 : x - Step 2: Convert to fraction form
3,397,612.68/4,688,706.24 = 1,869,719.79/x - Step 3: Cross multiply
3,397,612.68x = 4,688,706.24 × 1,869,719.79 - Step 4: Simplify right side
3,397,612.68x = 8,766,566,846,424.49 - Step 5: Solve for x
x = 8,766,566,846,424.49/3,397,612.68 - Step 6: Final answer
x = 2,580,213.72
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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.