Finding the Fourth Proportional to 2,643,056.37, 3,647,125.26 and 1,465,625.64
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Solution
The fourth proportional to 2,643,056.37, 3,647,125.26 and 1,465,625.64 is: 2,022,401.17
Step by Step Solution
- Step 1: Write the proportion equation
2,643,056.37 : 3,647,125.26 = 1,465,625.64 : x - Step 2: Convert to fraction form
2,643,056.37/3,647,125.26 = 1,465,625.64/x - Step 3: Cross multiply
2,643,056.37x = 3,647,125.26 × 1,465,625.64 - Step 4: Simplify right side
2,643,056.37x = 5,345,320,293,347.67 - Step 5: Solve for x
x = 5,345,320,293,347.67/2,643,056.37 - Step 6: Final answer
x = 2,022,401.17
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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.