Finding the Fourth Proportional to 1,442,127.21, 2,161,665.38 and 543,179.99
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Solution
The fourth proportional to 1,442,127.21, 2,161,665.38 and 543,179.99 is: 814,195.42
Step by Step Solution
- Step 1: Write the proportion equation
1,442,127.21 : 2,161,665.38 = 543,179.99 : x - Step 2: Convert to fraction form
1,442,127.21/2,161,665.38 = 543,179.99/x - Step 3: Cross multiply
1,442,127.21x = 2,161,665.38 × 543,179.99 - Step 4: Simplify right side
1,442,127.21x = 1,174,173,365,967.52 - Step 5: Solve for x
x = 1,174,173,365,967.52/1,442,127.21 - Step 6: Final answer
x = 814,195.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.