Finding the Fourth Proportional to 4,091,438.60, 6,134,853.90 and 1,567,176.20
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Solution
The fourth proportional to 4,091,438.60, 6,134,853.90 and 1,567,176.20 is: 2,349,881.78
Step by Step Solution
- Step 1: Write the proportion equation
4,091,438.60 : 6,134,853.90 = 1,567,176.20 : x - Step 2: Convert to fraction form
4,091,438.60/6,134,853.90 = 1,567,176.20/x - Step 3: Cross multiply
4,091,438.60x = 6,134,853.90 × 1,567,176.20 - Step 4: Simplify right side
4,091,438.60x = 9,614,397,022,557.18 - Step 5: Solve for x
x = 9,614,397,022,557.18/4,091,438.60 - Step 6: Final answer
x = 2,349,881.78
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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.