Finding the Fourth Proportional to 3,999,181.68, 5,999,394.60 and 1,302,879.20
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Solution
The fourth proportional to 3,999,181.68, 5,999,394.60 and 1,302,879.20 is: 1,954,521.46
Step by Step Solution
- Step 1: Write the proportion equation
3,999,181.68 : 5,999,394.60 = 1,302,879.20 : x - Step 2: Convert to fraction form
3,999,181.68/5,999,394.60 = 1,302,879.20/x - Step 3: Cross multiply
3,999,181.68x = 5,999,394.60 × 1,302,879.20 - Step 4: Simplify right side
3,999,181.68x = 7,816,486,406,935.35 - Step 5: Solve for x
x = 7,816,486,406,935.35/3,999,181.68 - Step 6: Final answer
x = 1,954,521.46
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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.