Finding the Fourth Proportional to 4,390,414.45, 6,585,621.67 and 2,894,156.53
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Solution
The fourth proportional to 4,390,414.45, 6,585,621.67 and 2,894,156.53 is: 4,341,234.79
Step by Step Solution
- Step 1: Write the proportion equation
4,390,414.45 : 6,585,621.67 = 2,894,156.53 : x - Step 2: Convert to fraction form
4,390,414.45/6,585,621.67 = 2,894,156.53/x - Step 3: Cross multiply
4,390,414.45x = 6,585,621.67 × 2,894,156.53 - Step 4: Simplify right side
4,390,414.45x = 19,059,819,947,493.64 - Step 5: Solve for x
x = 19,059,819,947,493.64/4,390,414.45 - Step 6: Final answer
x = 4,341,234.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.