Finding the Fourth Proportional to 6,242,140.80, 9,366,321.60 and 3,548,534.40
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Solution
The fourth proportional to 6,242,140.80, 9,366,321.60 and 3,548,534.40 is: 5,324,569.80
Step by Step Solution
- Step 1: Write the proportion equation
6,242,140.80 : 9,366,321.60 = 3,548,534.40 : x - Step 2: Convert to fraction form
6,242,140.80/9,366,321.60 = 3,548,534.40/x - Step 3: Cross multiply
6,242,140.80x = 9,366,321.60 × 3,548,534.40 - Step 4: Simplify right side
6,242,140.80x = 33,236,714,399,063.04 - Step 5: Solve for x
x = 33,236,714,399,063.04/6,242,140.80 - Step 6: Final answer
x = 5,324,569.80
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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.