Finding the Fourth Proportional to 2,629,328.84, 3,628,378.49 and 1,649,795.88
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Solution
The fourth proportional to 2,629,328.84, 3,628,378.49 and 1,649,795.88 is: 2,276,658.51
Step by Step Solution
- Step 1: Write the proportion equation
2,629,328.84 : 3,628,378.49 = 1,649,795.88 : x - Step 2: Convert to fraction form
2,629,328.84/3,628,378.49 = 1,649,795.88/x - Step 3: Cross multiply
2,629,328.84x = 3,628,378.49 × 1,649,795.88 - Step 4: Simplify right side
2,629,328.84x = 5,986,083,875,633.64 - Step 5: Solve for x
x = 5,986,083,875,633.64/2,629,328.84 - Step 6: Final answer
x = 2,276,658.51
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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.