Finding the Fourth Proportional to 5,718,703.62, 8,578,055.23 and 2,688,161.32
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Solution
The fourth proportional to 5,718,703.62, 8,578,055.23 and 2,688,161.32 is: 4,032,241.88
Step by Step Solution
- Step 1: Write the proportion equation
5,718,703.62 : 8,578,055.23 = 2,688,161.32 : x - Step 2: Convert to fraction form
5,718,703.62/8,578,055.23 = 2,688,161.32/x - Step 3: Cross multiply
5,718,703.62x = 8,578,055.23 × 2,688,161.32 - Step 4: Simplify right side
5,718,703.62x = 23,059,196,241,944.16 - Step 5: Solve for x
x = 23,059,196,241,944.16/5,718,703.62 - Step 6: Final answer
x = 4,032,241.88
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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.