Finding the Fourth Proportional to 4,994,977.20, 6,893,090.37 and 2,703,138.18
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Solution
The fourth proportional to 4,994,977.20, 6,893,090.37 and 2,703,138.18 is: 3,730,342.50
Step by Step Solution
- Step 1: Write the proportion equation
4,994,977.20 : 6,893,090.37 = 2,703,138.18 : x - Step 2: Convert to fraction form
4,994,977.20/6,893,090.37 = 2,703,138.18/x - Step 3: Cross multiply
4,994,977.20x = 6,893,090.37 × 2,703,138.18 - Step 4: Simplify right side
4,994,977.20x = 18,632,975,757,337.33 - Step 5: Solve for x
x = 18,632,975,757,337.33/4,994,977.20 - Step 6: Final answer
x = 3,730,342.50
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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.