Finding the Fourth Proportional to 5,612,137.92, 7,747,341.12 and 3,288,708
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Solution
The fourth proportional to 5,612,137.92, 7,747,341.12 and 3,288,708 is: 4,539,935.24
Step by Step Solution
- Step 1: Write the proportion equation
5,612,137.92 : 7,747,341.12 = 3,288,708 : x - Step 2: Convert to fraction form
5,612,137.92/7,747,341.12 = 3,288,708/x - Step 3: Cross multiply
5,612,137.92x = 7,747,341.12 × 3,288,708 - Step 4: Simplify right side
5,612,137.92x = 25,478,742,720,072.96 - Step 5: Solve for x
x = 25,478,742,720,072.96/5,612,137.92 - Step 6: Final answer
x = 4,539,935.24
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.