Finding the Fourth Proportional to 1,380,712.64, 2,071,394.97 and 434,083.36
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Solution
The fourth proportional to 1,380,712.64, 2,071,394.97 and 434,083.36 is: 651,227.54
Step by Step Solution
- Step 1: Write the proportion equation
1,380,712.64 : 2,071,394.97 = 434,083.36 : x - Step 2: Convert to fraction form
1,380,712.64/2,071,394.97 = 434,083.36/x - Step 3: Cross multiply
1,380,712.64x = 2,071,394.97 × 434,083.36 - Step 4: Simplify right side
1,380,712.64x = 899,158,093,629.03 - Step 5: Solve for x
x = 899,158,093,629.03/1,380,712.64 - Step 6: Final answer
x = 651,227.54
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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.