Finding the Fourth Proportional to 6,091,330.58, 8,409,858.48 and 3,919,647.87
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Solution
The fourth proportional to 6,091,330.58, 8,409,858.48 and 3,919,647.87 is: 5,411,573.62
Step by Step Solution
- Step 1: Write the proportion equation
6,091,330.58 : 8,409,858.48 = 3,919,647.87 : x - Step 2: Convert to fraction form
6,091,330.58/8,409,858.48 = 3,919,647.87/x - Step 3: Cross multiply
6,091,330.58x = 8,409,858.48 × 3,919,647.87 - Step 4: Simplify right side
6,091,330.58x = 32,963,683,878,133.44 - Step 5: Solve for x
x = 32,963,683,878,133.44/6,091,330.58 - Step 6: Final answer
x = 5,411,573.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.