Finding the Fourth Proportional to 5,886,704.16, 8,122,921.11 and 3,406,350.78
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Solution
The fourth proportional to 5,886,704.16, 8,122,921.11 and 3,406,350.78 is: 4,700,341.30
Step by Step Solution
- Step 1: Write the proportion equation
5,886,704.16 : 8,122,921.11 = 3,406,350.78 : x - Step 2: Convert to fraction form
5,886,704.16/8,122,921.11 = 3,406,350.78/x - Step 3: Cross multiply
5,886,704.16x = 8,122,921.11 × 3,406,350.78 - Step 4: Simplify right side
5,886,704.16x = 27,669,518,658,926.96 - Step 5: Solve for x
x = 27,669,518,658,926.96/5,886,704.16 - Step 6: Final answer
x = 4,700,341.30
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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.