Finding the Fourth Proportional to 5,889,116.54, 8,126,931.93 and 3,310,808.78
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Solution
The fourth proportional to 5,889,116.54, 8,126,931.93 and 3,310,808.78 is: 4,568,888.63
Step by Step Solution
- Step 1: Write the proportion equation
5,889,116.54 : 8,126,931.93 = 3,310,808.78 : x - Step 2: Convert to fraction form
5,889,116.54/8,126,931.93 = 3,310,808.78/x - Step 3: Cross multiply
5,889,116.54x = 8,126,931.93 × 3,310,808.78 - Step 4: Simplify right side
5,889,116.54x = 26,906,717,576,266.04 - Step 5: Solve for x
x = 26,906,717,576,266.04/5,889,116.54 - Step 6: Final answer
x = 4,568,888.63
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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.