Finding the Fourth Proportional to 4,135,805.60, 6,203,708.40 and 3,179,211.80
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Solution
The fourth proportional to 4,135,805.60, 6,203,708.40 and 3,179,211.80 is: 4,768,817.70
Step by Step Solution
- Step 1: Write the proportion equation
4,135,805.60 : 6,203,708.40 = 3,179,211.80 : x - Step 2: Convert to fraction form
4,135,805.60/6,203,708.40 = 3,179,211.80/x - Step 3: Cross multiply
4,135,805.60x = 6,203,708.40 × 3,179,211.80 - Step 4: Simplify right side
4,135,805.60x = 19,722,902,949,039.12 - Step 5: Solve for x
x = 19,722,902,949,039.12/4,135,805.60 - Step 6: Final answer
x = 4,768,817.70
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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.