Finding the Fourth Proportional to 2,989,225.44, 4,125,230.64 and 1,631,172.96
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Solution
The fourth proportional to 2,989,225.44, 4,125,230.64 and 1,631,172.96 is: 2,251,073.00
Step by Step Solution
- Step 1: Write the proportion equation
2,989,225.44 : 4,125,230.64 = 1,631,172.96 : x - Step 2: Convert to fraction form
2,989,225.44/4,125,230.64 = 1,631,172.96/x - Step 3: Cross multiply
2,989,225.44x = 4,125,230.64 × 1,631,172.96 - Step 4: Simplify right side
2,989,225.44x = 6,728,964,673,731.49 - Step 5: Solve for x
x = 6,728,964,673,731.49/2,989,225.44 - Step 6: Final answer
x = 2,251,073.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.