Finding the Fourth Proportional to 6,471,049.34, 8,930,235.05 and 3,570,627.05
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Solution
The fourth proportional to 6,471,049.34, 8,930,235.05 and 3,570,627.05 is: 4,927,568.49
Step by Step Solution
- Step 1: Write the proportion equation
6,471,049.34 : 8,930,235.05 = 3,570,627.05 : x - Step 2: Convert to fraction form
6,471,049.34/8,930,235.05 = 3,570,627.05/x - Step 3: Cross multiply
6,471,049.34x = 8,930,235.05 × 3,570,627.05 - Step 4: Simplify right side
6,471,049.34x = 31,886,538,863,640.26 - Step 5: Solve for x
x = 31,886,538,863,640.26/6,471,049.34 - Step 6: Final answer
x = 4,927,568.49
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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.