Finding the Fourth Proportional to 3,397,680.84, 4,688,800.26 and 1,869,787.98
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Solution
The fourth proportional to 3,397,680.84, 4,688,800.26 and 1,869,787.98 is: 2,580,307.80
Step by Step Solution
- Step 1: Write the proportion equation
3,397,680.84 : 4,688,800.26 = 1,869,787.98 : x - Step 2: Convert to fraction form
3,397,680.84/4,688,800.26 = 1,869,787.98/x - Step 3: Cross multiply
3,397,680.84x = 4,688,800.26 × 1,869,787.98 - Step 4: Simplify right side
3,397,680.84x = 8,767,062,366,768.87 - Step 5: Solve for x
x = 8,767,062,366,768.87/3,397,680.84 - Step 6: Final answer
x = 2,580,307.80
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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.