Finding the Fourth Proportional to 4,168,828.42, 5,748,414.79 and 2,715,829.36
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Solution
The fourth proportional to 4,168,828.42, 5,748,414.79 and 2,715,829.36 is: 3,744,868.36
Step by Step Solution
- Step 1: Write the proportion equation
4,168,828.42 : 5,748,414.79 = 2,715,829.36 : x - Step 2: Convert to fraction form
4,168,828.42/5,748,414.79 = 2,715,829.36/x - Step 3: Cross multiply
4,168,828.42x = 5,748,414.79 × 2,715,829.36 - Step 4: Simplify right side
4,168,828.42x = 15,611,713,638,979.62 - Step 5: Solve for x
x = 15,611,713,638,979.62/4,168,828.42 - Step 6: Final answer
x = 3,744,868.36
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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.