Finding the Fourth Proportional to 4,868,674.96, 6,718,113.41 and 2,775,787.42
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Solution
The fourth proportional to 4,868,674.96, 6,718,113.41 and 2,775,787.42 is: 3,830,211.47
Step by Step Solution
- Step 1: Write the proportion equation
4,868,674.96 : 6,718,113.41 = 2,775,787.42 : x - Step 2: Convert to fraction form
4,868,674.96/6,718,113.41 = 2,775,787.42/x - Step 3: Cross multiply
4,868,674.96x = 6,718,113.41 × 2,775,787.42 - Step 4: Simplify right side
4,868,674.96x = 18,648,054,689,611.30 - Step 5: Solve for x
x = 18,648,054,689,611.30/4,868,674.96 - Step 6: Final answer
x = 3,830,211.47
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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.