Finding the Fourth Proportional to 3,553,805.87, 5,330,704.69 and 1,157,646.66
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Solution
The fourth proportional to 3,553,805.87, 5,330,704.69 and 1,157,646.66 is: 1,736,468.64
Step by Step Solution
- Step 1: Write the proportion equation
3,553,805.87 : 5,330,704.69 = 1,157,646.66 : x - Step 2: Convert to fraction form
3,553,805.87/5,330,704.69 = 1,157,646.66/x - Step 3: Cross multiply
3,553,805.87x = 5,330,704.69 × 1,157,646.66 - Step 4: Simplify right side
3,553,805.87x = 6,171,072,447,383.08 - Step 5: Solve for x
x = 6,171,072,447,383.08/3,553,805.87 - Step 6: Final answer
x = 1,736,468.64
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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.