Finding the Fourth Proportional to 7,552,659.20, 11,327,414.40 and 2,762,604.80
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Solution
The fourth proportional to 7,552,659.20, 11,327,414.40 and 2,762,604.80 is: 4,143,331.32
Step by Step Solution
- Step 1: Write the proportion equation
7,552,659.20 : 11,327,414.40 = 2,762,604.80 : x - Step 2: Convert to fraction form
7,552,659.20/11,327,414.40 = 2,762,604.80/x - Step 3: Cross multiply
7,552,659.20x = 11,327,414.40 × 2,762,604.80 - Step 4: Simplify right side
7,552,659.20x = 31,293,169,393,029.12 - Step 5: Solve for x
x = 31,293,169,393,029.12/7,552,659.20 - Step 6: Final answer
x = 4,143,331.32
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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.