Finding the Fourth Proportional to 5,554,642.40, 8,344,405.20 and 5,327,928.80
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Solution
The fourth proportional to 5,554,642.40, 8,344,405.20 and 5,327,928.80 is: 8,003,826.99
Step by Step Solution
- Step 1: Write the proportion equation
5,554,642.40 : 8,344,405.20 = 5,327,928.80 : x - Step 2: Convert to fraction form
5,554,642.40/8,344,405.20 = 5,327,928.80/x - Step 3: Cross multiply
5,554,642.40x = 8,344,405.20 × 5,327,928.80 - Step 4: Simplify right side
5,554,642.40x = 44,458,396,783,949.76 - Step 5: Solve for x
x = 44,458,396,783,949.76/5,554,642.40 - Step 6: Final answer
x = 8,003,826.99
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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.