Finding the Fourth Proportional to 5,555,013.60, 8,318,523.60 and 3,651,448.80
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Solution
The fourth proportional to 5,555,013.60, 8,318,523.60 and 3,651,448.80 is: 5,467,972.75
Step by Step Solution
- Step 1: Write the proportion equation
5,555,013.60 : 8,318,523.60 = 3,651,448.80 : x - Step 2: Convert to fraction form
5,555,013.60/8,318,523.60 = 3,651,448.80/x - Step 3: Cross multiply
5,555,013.60x = 8,318,523.60 × 3,651,448.80 - Step 4: Simplify right side
5,555,013.60x = 30,374,663,016,991.68 - Step 5: Solve for x
x = 30,374,663,016,991.68/5,555,013.60 - Step 6: Final answer
x = 5,467,972.75
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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.