Finding the Fourth Proportional to 5,341,938.12, 7,371,714.42 and 3,049,651.08
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Solution
The fourth proportional to 5,341,938.12, 7,371,714.42 and 3,049,651.08 is: 4,208,427.04
Step by Step Solution
- Step 1: Write the proportion equation
5,341,938.12 : 7,371,714.42 = 3,049,651.08 : x - Step 2: Convert to fraction form
5,341,938.12/7,371,714.42 = 3,049,651.08/x - Step 3: Cross multiply
5,341,938.12x = 7,371,714.42 × 3,049,651.08 - Step 4: Simplify right side
5,341,938.12x = 22,481,156,842,404.57 - Step 5: Solve for x
x = 22,481,156,842,404.57/5,341,938.12 - Step 6: Final answer
x = 4,208,427.04
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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.