Finding the Fourth Proportional to 1,556,346.75, 2,334,344.74 and 419,192.16
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Solution
The fourth proportional to 1,556,346.75, 2,334,344.74 and 419,192.16 is: 628,740.99
Step by Step Solution
- Step 1: Write the proportion equation
1,556,346.75 : 2,334,344.74 = 419,192.16 : x - Step 2: Convert to fraction form
1,556,346.75/2,334,344.74 = 419,192.16/x - Step 3: Cross multiply
1,556,346.75x = 2,334,344.74 × 419,192.16 - Step 4: Simplify right side
1,556,346.75x = 978,538,999,977.55 - Step 5: Solve for x
x = 978,538,999,977.55/1,556,346.75 - Step 6: Final answer
x = 628,740.99
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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.