Finding the Fourth Proportional to 4,515,728.19, 6,230,803.39 and 2,748,442.75
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Solution
The fourth proportional to 4,515,728.19, 6,230,803.39 and 2,748,442.75 is: 3,792,302.30
Step by Step Solution
- Step 1: Write the proportion equation
4,515,728.19 : 6,230,803.39 = 2,748,442.75 : x - Step 2: Convert to fraction form
4,515,728.19/6,230,803.39 = 2,748,442.75/x - Step 3: Cross multiply
4,515,728.19x = 6,230,803.39 × 2,748,442.75 - Step 4: Simplify right side
4,515,728.19x = 17,125,006,413,735.83 - Step 5: Solve for x
x = 17,125,006,413,735.83/4,515,728.19 - Step 6: Final answer
x = 3,792,302.30
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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.