Finding the Fourth Proportional to 3,833,700.87, 5,290,521.99 and 2,114,796.63
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Solution
The fourth proportional to 3,833,700.87, 5,290,521.99 and 2,114,796.63 is: 2,918,427.51
Step by Step Solution
- Step 1: Write the proportion equation
3,833,700.87 : 5,290,521.99 = 2,114,796.63 : x - Step 2: Convert to fraction form
3,833,700.87/5,290,521.99 = 2,114,796.63/x - Step 3: Cross multiply
3,833,700.87x = 5,290,521.99 × 2,114,796.63 - Step 4: Simplify right side
3,833,700.87x = 11,188,378,075,392.89 - Step 5: Solve for x
x = 11,188,378,075,392.89/3,833,700.87 - Step 6: Final answer
x = 2,918,427.51
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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.