Finding the Fourth Proportional to 1,512,039.75, 2,268,103.37 and 390,108.75
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Solution
The fourth proportional to 1,512,039.75, 2,268,103.37 and 390,108.75 is: 585,174.41
Step by Step Solution
- Step 1: Write the proportion equation
1,512,039.75 : 2,268,103.37 = 390,108.75 : x - Step 2: Convert to fraction form
1,512,039.75/2,268,103.37 = 390,108.75/x - Step 3: Cross multiply
1,512,039.75x = 2,268,103.37 × 390,108.75 - Step 4: Simplify right side
1,512,039.75x = 884,806,968,590.94 - Step 5: Solve for x
x = 884,806,968,590.94/1,512,039.75 - Step 6: Final answer
x = 585,174.41
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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.