Finding the Fourth Proportional to 5,652,021.60, 8,478,550.80 and 1,865,512.80
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Solution
The fourth proportional to 5,652,021.60, 8,478,550.80 and 1,865,512.80 is: 2,798,440.30
Step by Step Solution
- Step 1: Write the proportion equation
5,652,021.60 : 8,478,550.80 = 1,865,512.80 : x - Step 2: Convert to fraction form
5,652,021.60/8,478,550.80 = 1,865,512.80/x - Step 3: Cross multiply
5,652,021.60x = 8,478,550.80 × 1,865,512.80 - Step 4: Simplify right side
5,652,021.60x = 15,816,845,042,850.24 - Step 5: Solve for x
x = 15,816,845,042,850.24/5,652,021.60 - Step 6: Final answer
x = 2,798,440.30
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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.