Finding the Fourth Proportional to 2,807,153.08, 4,207,241.25 and 1,289,225.63
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Solution
The fourth proportional to 2,807,153.08, 4,207,241.25 and 1,289,225.63 is: 1,932,236.37
Step by Step Solution
- Step 1: Write the proportion equation
2,807,153.08 : 4,207,241.25 = 1,289,225.63 : x - Step 2: Convert to fraction form
2,807,153.08/4,207,241.25 = 1,289,225.63/x - Step 3: Cross multiply
2,807,153.08x = 4,207,241.25 × 1,289,225.63 - Step 4: Simplify right side
2,807,153.08x = 5,424,083,261,611.34 - Step 5: Solve for x
x = 5,424,083,261,611.34/2,807,153.08 - Step 6: Final answer
x = 1,932,236.37
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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.