Finding the Fourth Proportional to 5,419,570.92, 8,129,359.86 and 1,376,361.96
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Solution
The fourth proportional to 5,419,570.92, 8,129,359.86 and 1,376,361.96 is: 2,064,543.82
Step by Step Solution
- Step 1: Write the proportion equation
5,419,570.92 : 8,129,359.86 = 1,376,361.96 : x - Step 2: Convert to fraction form
5,419,570.92/8,129,359.86 = 1,376,361.96/x - Step 3: Cross multiply
5,419,570.92x = 8,129,359.86 × 1,376,361.96 - Step 4: Simplify right side
5,419,570.92x = 11,188,941,670,454.93 - Step 5: Solve for x
x = 11,188,941,670,454.93/5,419,570.92 - Step 6: Final answer
x = 2,064,543.82
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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.