Finding the Fourth Proportional to 1,616,441.68, 2,230,586.36 and 891,294.08
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Solution
The fourth proportional to 1,616,441.68, 2,230,586.36 and 891,294.08 is: 1,229,928.95
Step by Step Solution
- Step 1: Write the proportion equation
1,616,441.68 : 2,230,586.36 = 891,294.08 : x - Step 2: Convert to fraction form
1,616,441.68/2,230,586.36 = 891,294.08/x - Step 3: Cross multiply
1,616,441.68x = 2,230,586.36 × 891,294.08 - Step 4: Simplify right side
1,616,441.68x = 1,988,108,417,596.75 - Step 5: Solve for x
x = 1,988,108,417,596.75/1,616,441.68 - Step 6: Final answer
x = 1,229,928.95
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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.