Finding the Fourth Proportional to 5,147,536.50, 7,721,110.89 and 1,553,207.94
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Solution
The fourth proportional to 5,147,536.50, 7,721,110.89 and 1,553,207.94 is: 2,329,753.42
Step by Step Solution
- Step 1: Write the proportion equation
5,147,536.50 : 7,721,110.89 = 1,553,207.94 : x - Step 2: Convert to fraction form
5,147,536.50/7,721,110.89 = 1,553,207.94/x - Step 3: Cross multiply
5,147,536.50x = 7,721,110.89 × 1,553,207.94 - Step 4: Simplify right side
5,147,536.50x = 11,992,490,739,968.46 - Step 5: Solve for x
x = 11,992,490,739,968.46/5,147,536.50 - Step 6: Final answer
x = 2,329,753.42
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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.