Finding the Fourth Proportional to 3,189,596.54, 4,787,544.08 and 1,393,719.62
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Solution
The fourth proportional to 3,189,596.54, 4,787,544.08 and 1,393,719.62 is: 2,091,955.53
Step by Step Solution
- Step 1: Write the proportion equation
3,189,596.54 : 4,787,544.08 = 1,393,719.62 : x - Step 2: Convert to fraction form
3,189,596.54/4,787,544.08 = 1,393,719.62/x - Step 3: Cross multiply
3,189,596.54x = 4,787,544.08 × 1,393,719.62 - Step 4: Simplify right side
3,189,596.54x = 6,672,494,095,457.43 - Step 5: Solve for x
x = 6,672,494,095,457.43/3,189,596.54 - Step 6: Final answer
x = 2,091,955.53
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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.