Finding the Fourth Proportional to 1,638,790.24, 2,261,539.92 and 913,684
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Solution
The fourth proportional to 1,638,790.24, 2,261,539.92 and 913,684 is: 1,260,889.15
Step by Step Solution
- Step 1: Write the proportion equation
1,638,790.24 : 2,261,539.92 = 913,684 : x - Step 2: Convert to fraction form
1,638,790.24/2,261,539.92 = 913,684/x - Step 3: Cross multiply
1,638,790.24x = 2,261,539.92 × 913,684 - Step 4: Simplify right side
1,638,790.24x = 2,066,332,840,265.28 - Step 5: Solve for x
x = 2,066,332,840,265.28/1,638,790.24 - Step 6: Final answer
x = 1,260,889.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.