Finding the Fourth Proportional to 2,993,933.70, 4,131,625.14 and 1,617,277.08
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Solution
The fourth proportional to 2,993,933.70, 4,131,625.14 and 1,617,277.08 is: 2,231,840.55
Step by Step Solution
- Step 1: Write the proportion equation
2,993,933.70 : 4,131,625.14 = 1,617,277.08 : x - Step 2: Convert to fraction form
2,993,933.70/4,131,625.14 = 1,617,277.08/x - Step 3: Cross multiply
2,993,933.70x = 4,131,625.14 × 1,617,277.08 - Step 4: Simplify right side
2,993,933.70x = 6,681,982,642,073.79 - Step 5: Solve for x
x = 6,681,982,642,073.79/2,993,933.70 - Step 6: Final answer
x = 2,231,840.55
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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.