Finding the Fourth Proportional to 1,981,477.08, 2,734,482.24 and 1,110,376.62
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Solution
The fourth proportional to 1,981,477.08, 2,734,482.24 and 1,110,376.62 is: 1,532,344.32
Step by Step Solution
- Step 1: Write the proportion equation
1,981,477.08 : 2,734,482.24 = 1,110,376.62 : x - Step 2: Convert to fraction form
1,981,477.08/2,734,482.24 = 1,110,376.62/x - Step 3: Cross multiply
1,981,477.08x = 2,734,482.24 × 1,110,376.62 - Step 4: Simplify right side
1,981,477.08x = 3,036,305,147,101.23 - Step 5: Solve for x
x = 3,036,305,147,101.23/1,981,477.08 - Step 6: Final answer
x = 1,532,344.32
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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.