Finding the Fourth Proportional to 1,391,512.36, 2,084,872.08 and 1,087,788.34
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Solution
The fourth proportional to 1,391,512.36, 2,084,872.08 and 1,087,788.34 is: 1,629,809.12
Step by Step Solution
- Step 1: Write the proportion equation
1,391,512.36 : 2,084,872.08 = 1,087,788.34 : x - Step 2: Convert to fraction form
1,391,512.36/2,084,872.08 = 1,087,788.34/x - Step 3: Cross multiply
1,391,512.36x = 2,084,872.08 × 1,087,788.34 - Step 4: Simplify right side
1,391,512.36x = 2,267,899,539,015.55 - Step 5: Solve for x
x = 2,267,899,539,015.55/1,391,512.36 - Step 6: Final answer
x = 1,629,809.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.