Finding the Fourth Proportional to 7,242,591.20, 10,863,886.80 and 2,450,436.80
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Solution
The fourth proportional to 7,242,591.20, 10,863,886.80 and 2,450,436.80 is: 3,675,655.20
Step by Step Solution
- Step 1: Write the proportion equation
7,242,591.20 : 10,863,886.80 = 2,450,436.80 : x - Step 2: Convert to fraction form
7,242,591.20/10,863,886.80 = 2,450,436.80/x - Step 3: Cross multiply
7,242,591.20x = 10,863,886.80 × 2,450,436.80 - Step 4: Simplify right side
7,242,591.20x = 26,621,268,005,754.24 - Step 5: Solve for x
x = 26,621,268,005,754.24/7,242,591.20 - Step 6: Final answer
x = 3,675,655.20
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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.