Finding the Fourth Proportional to 5,421,675.28, 8,132,571.20 and 1,635,190.96
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Solution
The fourth proportional to 5,421,675.28, 8,132,571.20 and 1,635,190.96 is: 2,452,804.02
Step by Step Solution
- Step 1: Write the proportion equation
5,421,675.28 : 8,132,571.20 = 1,635,190.96 : x - Step 2: Convert to fraction form
5,421,675.28/8,132,571.20 = 1,635,190.96/x - Step 3: Cross multiply
5,421,675.28x = 8,132,571.20 × 1,635,190.96 - Step 4: Simplify right side
5,421,675.28x = 13,298,306,907,796.35 - Step 5: Solve for x
x = 13,298,306,907,796.35/5,421,675.28 - Step 6: Final answer
x = 2,452,804.02
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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.