Finding the Fourth Proportional to 5,442,057.60, 8,163,950.40 and 1,848,163.20
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Solution
The fourth proportional to 5,442,057.60, 8,163,950.40 and 1,848,163.20 is: 2,772,538.22
Step by Step Solution
- Step 1: Write the proportion equation
5,442,057.60 : 8,163,950.40 = 1,848,163.20 : x - Step 2: Convert to fraction form
5,442,057.60/8,163,950.40 = 1,848,163.20/x - Step 3: Cross multiply
5,442,057.60x = 8,163,950.40 × 1,848,163.20 - Step 4: Simplify right side
5,442,057.60x = 15,088,312,695,905.28 - Step 5: Solve for x
x = 15,088,312,695,905.28/5,442,057.60 - Step 6: Final answer
x = 2,772,538.22
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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.