Finding the Fourth Proportional to 5,576,837.20, 8,363,580.60 and 1,982,131.60
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Solution
The fourth proportional to 5,576,837.20, 8,363,580.60 and 1,982,131.60 is: 2,972,602.00
Step by Step Solution
- Step 1: Write the proportion equation
5,576,837.20 : 8,363,580.60 = 1,982,131.60 : x - Step 2: Convert to fraction form
5,576,837.20/8,363,580.60 = 1,982,131.60/x - Step 3: Cross multiply
5,576,837.20x = 8,363,580.60 × 1,982,131.60 - Step 4: Simplify right side
5,576,837.20x = 16,577,717,396,406.96 - Step 5: Solve for x
x = 16,577,717,396,406.96/5,576,837.20 - Step 6: Final answer
x = 2,972,602.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.