Finding the Fourth Proportional to 6,521,186.53, 8,998,821.12 and 3,620,576.67
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Solution
The fourth proportional to 6,521,186.53, 8,998,821.12 and 3,620,576.67 is: 4,996,164.68
Step by Step Solution
- Step 1: Write the proportion equation
6,521,186.53 : 8,998,821.12 = 3,620,576.67 : x - Step 2: Convert to fraction form
6,521,186.53/8,998,821.12 = 3,620,576.67/x - Step 3: Cross multiply
6,521,186.53x = 8,998,821.12 × 3,620,576.67 - Step 4: Simplify right side
6,521,186.53x = 32,580,921,804,575.27 - Step 5: Solve for x
x = 32,580,921,804,575.27/6,521,186.53 - Step 6: Final answer
x = 4,996,164.68
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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.