Finding the Fourth Proportional to 4,520,135.19, 6,237,832.38 and 2,455,191.15
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Solution
The fourth proportional to 4,520,135.19, 6,237,832.38 and 2,455,191.15 is: 3,388,188.68
Step by Step Solution
- Step 1: Write the proportion equation
4,520,135.19 : 6,237,832.38 = 2,455,191.15 : x - Step 2: Convert to fraction form
4,520,135.19/6,237,832.38 = 2,455,191.15/x - Step 3: Cross multiply
4,520,135.19x = 6,237,832.38 × 2,455,191.15 - Step 4: Simplify right side
4,520,135.19x = 15,315,070,857,048.40 - Step 5: Solve for x
x = 15,315,070,857,048.40/4,520,135.19 - Step 6: Final answer
x = 3,388,188.68
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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.