Finding the Fourth Proportional to 5,612,368.23, 8,415,935.21 and 2,915,968.55
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Solution
The fourth proportional to 5,612,368.23, 8,415,935.21 and 2,915,968.55 is: 4,372,593.05
Step by Step Solution
- Step 1: Write the proportion equation
5,612,368.23 : 8,415,935.21 = 2,915,968.55 : x - Step 2: Convert to fraction form
5,612,368.23/8,415,935.21 = 2,915,968.55/x - Step 3: Cross multiply
5,612,368.23x = 8,415,935.21 × 2,915,968.55 - Step 4: Simplify right side
5,612,368.23x = 24,540,602,334,538.12 - Step 5: Solve for x
x = 24,540,602,334,538.12/5,612,368.23 - Step 6: Final answer
x = 4,372,593.05
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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.