Finding the Fourth Proportional to 1,512,042.75, 2,268,107.87 and 390,111.75
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Solution
The fourth proportional to 1,512,042.75, 2,268,107.87 and 390,111.75 is: 585,178.91
Step by Step Solution
- Step 1: Write the proportion equation
1,512,042.75 : 2,268,107.87 = 390,111.75 : x - Step 2: Convert to fraction form
1,512,042.75/2,268,107.87 = 390,111.75/x - Step 3: Cross multiply
1,512,042.75x = 2,268,107.87 × 390,111.75 - Step 4: Simplify right side
1,512,042.75x = 884,815,528,403.91 - Step 5: Solve for x
x = 884,815,528,403.91/1,512,042.75 - Step 6: Final answer
x = 585,178.91
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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.