Finding the Fourth Proportional to 4,771,365.60, 7,152,382.80 and 4,267,480.80
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Solution
The fourth proportional to 4,771,365.60, 7,152,382.80 and 4,267,480.80 is: 6,397,048.32
Step by Step Solution
- Step 1: Write the proportion equation
4,771,365.60 : 7,152,382.80 = 4,267,480.80 : x - Step 2: Convert to fraction form
4,771,365.60/7,152,382.80 = 4,267,480.80/x - Step 3: Cross multiply
4,771,365.60x = 7,152,382.80 × 4,267,480.80 - Step 4: Simplify right side
4,771,365.60x = 30,522,656,273,250.24 - Step 5: Solve for x
x = 30,522,656,273,250.24/4,771,365.60 - Step 6: Final answer
x = 6,397,048.32
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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.