Finding the Fourth Proportional to 1,512,043.75, 2,268,109.37 and 390,112.75
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Solution
The fourth proportional to 1,512,043.75, 2,268,109.37 and 390,112.75 is: 585,180.41
Step by Step Solution
- Step 1: Write the proportion equation
1,512,043.75 : 2,268,109.37 = 390,112.75 : x - Step 2: Convert to fraction form
1,512,043.75/2,268,109.37 = 390,112.75/x - Step 3: Cross multiply
1,512,043.75x = 2,268,109.37 × 390,112.75 - Step 4: Simplify right side
1,512,043.75x = 884,818,383,631.47 - Step 5: Solve for x
x = 884,818,383,631.47/1,512,043.75 - Step 6: Final answer
x = 585,180.41
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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.