Finding the Fourth Proportional to 3,259,398.24, 4,497,901.92 and 1,809,008.64
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Solution
The fourth proportional to 3,259,398.24, 4,497,901.92 and 1,809,008.64 is: 2,496,394.38
Step by Step Solution
- Step 1: Write the proportion equation
3,259,398.24 : 4,497,901.92 = 1,809,008.64 : x - Step 2: Convert to fraction form
3,259,398.24/4,497,901.92 = 1,809,008.64/x - Step 3: Cross multiply
3,259,398.24x = 4,497,901.92 × 1,809,008.64 - Step 4: Simplify right side
3,259,398.24x = 8,136,743,435,152.59 - Step 5: Solve for x
x = 8,136,743,435,152.59/3,259,398.24 - Step 6: Final answer
x = 2,496,394.38
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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.