Finding the Fourth Proportional to 3,602,391.84, 5,405,450.20 and 1,582,055.60
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Solution
The fourth proportional to 3,602,391.84, 5,405,450.20 and 1,582,055.60 is: 2,373,901.32
Step by Step Solution
- Step 1: Write the proportion equation
3,602,391.84 : 5,405,450.20 = 1,582,055.60 : x - Step 2: Convert to fraction form
3,602,391.84/5,405,450.20 = 1,582,055.60/x - Step 3: Cross multiply
3,602,391.84x = 5,405,450.20 × 1,582,055.60 - Step 4: Simplify right side
3,602,391.84x = 8,551,722,759,431.12 - Step 5: Solve for x
x = 8,551,722,759,431.12/3,602,391.84 - Step 6: Final answer
x = 2,373,901.32
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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.