Finding the Fourth Proportional to 4,438,512.19, 6,129,376.96 and 4,196,702.79
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Solution
The fourth proportional to 4,438,512.19, 6,129,376.96 and 4,196,702.79 is: 5,795,449.53
Step by Step Solution
- Step 1: Write the proportion equation
4,438,512.19 : 6,129,376.96 = 4,196,702.79 : x - Step 2: Convert to fraction form
4,438,512.19/6,129,376.96 = 4,196,702.79/x - Step 3: Cross multiply
4,438,512.19x = 6,129,376.96 × 4,196,702.79 - Step 4: Simplify right side
4,438,512.19x = 25,723,173,358,346.84 - Step 5: Solve for x
x = 25,723,173,358,346.84/4,438,512.19 - Step 6: Final answer
x = 5,795,449.53
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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.