Finding the Fourth Proportional to 5,921,134.23, 8,170,709.16 and 3,343,069.47
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Solution
The fourth proportional to 5,921,134.23, 8,170,709.16 and 3,343,069.47 is: 4,613,178.37
Step by Step Solution
- Step 1: Write the proportion equation
5,921,134.23 : 8,170,709.16 = 3,343,069.47 : x - Step 2: Convert to fraction form
5,921,134.23/8,170,709.16 = 3,343,069.47/x - Step 3: Cross multiply
5,921,134.23x = 8,170,709.16 × 3,343,069.47 - Step 4: Simplify right side
5,921,134.23x = 27,315,248,341,045.35 - Step 5: Solve for x
x = 27,315,248,341,045.35/5,921,134.23 - Step 6: Final answer
x = 4,613,178.37
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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.