Finding the Fourth Proportional to 2,207,415.42, 3,309,337.35 and 690,317.82
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Solution
The fourth proportional to 2,207,415.42, 3,309,337.35 and 690,317.82 is: 1,034,918.27
Step by Step Solution
- Step 1: Write the proportion equation
2,207,415.42 : 3,309,337.35 = 690,317.82 : x - Step 2: Convert to fraction form
2,207,415.42/3,309,337.35 = 690,317.82/x - Step 3: Cross multiply
2,207,415.42x = 3,309,337.35 × 690,317.82 - Step 4: Simplify right side
2,207,415.42x = 2,284,494,545,096.58 - Step 5: Solve for x
x = 2,284,494,545,096.58/2,207,415.42 - Step 6: Final answer
x = 1,034,918.27
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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.