Finding the Fourth Proportional to 2,085,425.80, 3,128,138.70 and 737,577.70
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Solution
The fourth proportional to 2,085,425.80, 3,128,138.70 and 737,577.70 is: 1,106,366.55
Step by Step Solution
- Step 1: Write the proportion equation
2,085,425.80 : 3,128,138.70 = 737,577.70 : x - Step 2: Convert to fraction form
2,085,425.80/3,128,138.70 = 737,577.70/x - Step 3: Cross multiply
2,085,425.80x = 3,128,138.70 × 737,577.70 - Step 4: Simplify right side
2,085,425.80x = 2,307,245,347,626.99 - Step 5: Solve for x
x = 2,307,245,347,626.99/2,085,425.80 - Step 6: Final answer
x = 1,106,366.55
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1.5x scale
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.