Finding the Fourth Proportional to 5,490,026.92, 8,185,958.11 and 5,339,193.31
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Solution
The fourth proportional to 5,490,026.92, 8,185,958.11 and 5,339,193.31 is: 7,961,056.19
Step by Step Solution
- Step 1: Write the proportion equation
5,490,026.92 : 8,185,958.11 = 5,339,193.31 : x - Step 2: Convert to fraction form
5,490,026.92/8,185,958.11 = 5,339,193.31/x - Step 3: Cross multiply
5,490,026.92x = 8,185,958.11 × 5,339,193.31 - Step 4: Simplify right side
5,490,026.92x = 43,706,412,776,852.24 - Step 5: Solve for x
x = 43,706,412,776,852.24/5,490,026.92 - Step 6: Final answer
x = 7,961,056.19
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.