Finding the Fourth Proportional to 4,190,147.79, 6,282,649.43 and 1,628,371.54
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Solution
The fourth proportional to 4,190,147.79, 6,282,649.43 and 1,628,371.54 is: 2,441,557.68
Step by Step Solution
- Step 1: Write the proportion equation
4,190,147.79 : 6,282,649.43 = 1,628,371.54 : x - Step 2: Convert to fraction form
4,190,147.79/6,282,649.43 = 1,628,371.54/x - Step 3: Cross multiply
4,190,147.79x = 6,282,649.43 × 1,628,371.54 - Step 4: Simplify right side
4,190,147.79x = 10,230,487,527,609.22 - Step 5: Solve for x
x = 10,230,487,527,609.22/4,190,147.79 - Step 6: Final answer
x = 2,441,557.68
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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.