Finding the Fourth Proportional to 5,248,631.68, 7,243,137.60 and 2,956,828.48
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Solution
The fourth proportional to 5,248,631.68, 7,243,137.60 and 2,956,828.48 is: 4,080,437.88
Step by Step Solution
- Step 1: Write the proportion equation
5,248,631.68 : 7,243,137.60 = 2,956,828.48 : x - Step 2: Convert to fraction form
5,248,631.68/7,243,137.60 = 2,956,828.48/x - Step 3: Cross multiply
5,248,631.68x = 7,243,137.60 × 2,956,828.48 - Step 4: Simplify right side
5,248,631.68x = 21,416,715,540,238.85 - Step 5: Solve for x
x = 21,416,715,540,238.85/5,248,631.68 - Step 6: Final answer
x = 4,080,437.88
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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.