Finding the Fourth Proportional to 4,536,115.20, 6,794,841.60 and 3,117,772.80
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Solution
The fourth proportional to 4,536,115.20, 6,794,841.60 and 3,117,772.80 is: 4,670,245.66
Step by Step Solution
- Step 1: Write the proportion equation
4,536,115.20 : 6,794,841.60 = 3,117,772.80 : x - Step 2: Convert to fraction form
4,536,115.20/6,794,841.60 = 3,117,772.80/x - Step 3: Cross multiply
4,536,115.20x = 6,794,841.60 × 3,117,772.80 - Step 4: Simplify right side
4,536,115.20x = 21,184,772,320,788.48 - Step 5: Solve for x
x = 21,184,772,320,788.48/4,536,115.20 - Step 6: Final answer
x = 4,670,245.66
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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.