Finding the Fourth Proportional to 6,228,572.72, 8,595,431.18 and 3,512,319.44
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Solution
The fourth proportional to 6,228,572.72, 8,595,431.18 and 3,512,319.44 is: 4,847,001.29
Step by Step Solution
- Step 1: Write the proportion equation
6,228,572.72 : 8,595,431.18 = 3,512,319.44 : x - Step 2: Convert to fraction form
6,228,572.72/8,595,431.18 = 3,512,319.44/x - Step 3: Cross multiply
6,228,572.72x = 8,595,431.18 × 3,512,319.44 - Step 4: Simplify right side
6,228,572.72x = 30,189,900,028,696.14 - Step 5: Solve for x
x = 30,189,900,028,696.14/6,228,572.72 - Step 6: Final answer
x = 4,847,001.29
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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.