Finding the Fourth Proportional to 1,403,460.80, 2,102,080.80 and 1,086,891.20
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Solution
The fourth proportional to 1,403,460.80, 2,102,080.80 and 1,086,891.20 is: 1,627,927.99
Step by Step Solution
- Step 1: Write the proportion equation
1,403,460.80 : 2,102,080.80 = 1,086,891.20 : x - Step 2: Convert to fraction form
1,403,460.80/2,102,080.80 = 1,086,891.20/x - Step 3: Cross multiply
1,403,460.80x = 2,102,080.80 × 1,086,891.20 - Step 4: Simplify right side
1,403,460.80x = 2,284,733,123,208.96 - Step 5: Solve for x
x = 2,284,733,123,208.96/1,403,460.80 - Step 6: Final answer
x = 1,627,927.99
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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.