Finding the Fourth Proportional to 3,865,715.40, 5,798,544.30 and 1,170,035.40
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Solution
The fourth proportional to 3,865,715.40, 5,798,544.30 and 1,170,035.40 is: 1,755,044.38
Step by Step Solution
- Step 1: Write the proportion equation
3,865,715.40 : 5,798,544.30 = 1,170,035.40 : x - Step 2: Convert to fraction form
3,865,715.40/5,798,544.30 = 1,170,035.40/x - Step 3: Cross multiply
3,865,715.40x = 5,798,544.30 × 1,170,035.40 - Step 4: Simplify right side
3,865,715.40x = 6,784,502,099,468.22 - Step 5: Solve for x
x = 6,784,502,099,468.22/3,865,715.40 - Step 6: Final answer
x = 1,755,044.38
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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.