Finding the Fourth Proportional to 1,446,538.44, 2,169,953.49 and 381,654.12
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Solution
The fourth proportional to 1,446,538.44, 2,169,953.49 and 381,654.12 is: 572,519.66
Step by Step Solution
- Step 1: Write the proportion equation
1,446,538.44 : 2,169,953.49 = 381,654.12 : x - Step 2: Convert to fraction form
1,446,538.44/2,169,953.49 = 381,654.12/x - Step 3: Cross multiply
1,446,538.44x = 2,169,953.49 × 381,654.12 - Step 4: Simplify right side
1,446,538.44x = 828,171,689,666.88 - Step 5: Solve for x
x = 828,171,689,666.88/1,446,538.44 - Step 6: Final answer
x = 572,519.66
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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.