Finding the Fourth Proportional to 5,135,502.95, 7,086,907.46 and 2,843,614.43
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Solution
The fourth proportional to 5,135,502.95, 7,086,907.46 and 2,843,614.43 is: 3,924,139.96
Step by Step Solution
- Step 1: Write the proportion equation
5,135,502.95 : 7,086,907.46 = 2,843,614.43 : x - Step 2: Convert to fraction form
5,135,502.95/7,086,907.46 = 2,843,614.43/x - Step 3: Cross multiply
5,135,502.95x = 7,086,907.46 × 2,843,614.43 - Step 4: Simplify right side
5,135,502.95x = 20,152,432,317,330.65 - Step 5: Solve for x
x = 20,152,432,317,330.65/5,135,502.95 - Step 6: Final answer
x = 3,924,139.96
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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.