Finding the Fourth Proportional to 6,090,171.19, 8,403,758.17 and 3,373,236.79
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Solution
The fourth proportional to 6,090,171.19, 8,403,758.17 and 3,373,236.79 is: 4,654,691.20
Step by Step Solution
- Step 1: Write the proportion equation
6,090,171.19 : 8,403,758.17 = 3,373,236.79 : x - Step 2: Convert to fraction form
6,090,171.19/8,403,758.17 = 3,373,236.79/x - Step 3: Cross multiply
6,090,171.19x = 8,403,758.17 × 3,373,236.79 - Step 4: Simplify right side
6,090,171.19x = 28,347,866,233,307.07 - Step 5: Solve for x
x = 28,347,866,233,307.07/6,090,171.19 - Step 6: Final answer
x = 4,654,691.20
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.