Finding the Fourth Proportional to 5,135,552.79, 7,086,976.05 and 2,843,664.27
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Solution
The fourth proportional to 5,135,552.79, 7,086,976.05 and 2,843,664.27 is: 3,924,208.63
Step by Step Solution
- Step 1: Write the proportion equation
5,135,552.79 : 7,086,976.05 = 2,843,664.27 : x - Step 2: Convert to fraction form
5,135,552.79/7,086,976.05 = 2,843,664.27/x - Step 3: Cross multiply
5,135,552.79x = 7,086,976.05 × 2,843,664.27 - Step 4: Simplify right side
5,135,552.79x = 20,152,980,575,730.73 - Step 5: Solve for x
x = 20,152,980,575,730.73/5,135,552.79 - Step 6: Final answer
x = 3,924,208.63
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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.