Finding the Fourth Proportional to 1,450,642.24, 2,161,383.22 and 1,369,153.04
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Solution
The fourth proportional to 1,450,642.24, 2,161,383.22 and 1,369,153.04 is: 2,039,968.45
Step by Step Solution
- Step 1: Write the proportion equation
1,450,642.24 : 2,161,383.22 = 1,369,153.04 : x - Step 2: Convert to fraction form
1,450,642.24/2,161,383.22 = 1,369,153.04/x - Step 3: Cross multiply
1,450,642.24x = 2,161,383.22 × 1,369,153.04 - Step 4: Simplify right side
1,450,642.24x = 2,959,264,406,267.99 - Step 5: Solve for x
x = 2,959,264,406,267.99/1,450,642.24 - Step 6: Final answer
x = 2,039,968.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.