Finding the Fourth Proportional to 4,186,117.10, 6,279,175.65 and 4,130,129.90
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Solution
The fourth proportional to 4,186,117.10, 6,279,175.65 and 4,130,129.90 is: 6,195,194.85
Step by Step Solution
- Step 1: Write the proportion equation
4,186,117.10 : 6,279,175.65 = 4,130,129.90 : x - Step 2: Convert to fraction form
4,186,117.10/6,279,175.65 = 4,130,129.90/x - Step 3: Cross multiply
4,186,117.10x = 6,279,175.65 × 4,130,129.90 - Step 4: Simplify right side
4,186,117.10x = 25,933,811,099,416.94 - Step 5: Solve for x
x = 25,933,811,099,416.94/4,186,117.10 - Step 6: Final answer
x = 6,195,194.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.