Finding the Fourth Proportional to 3,690,685.26, 5,535,389.52 and 1,668,458.88
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Solution
The fourth proportional to 3,690,685.26, 5,535,389.52 and 1,668,458.88 is: 2,502,399.73
Step by Step Solution
- Step 1: Write the proportion equation
3,690,685.26 : 5,535,389.52 = 1,668,458.88 : x - Step 2: Convert to fraction form
3,690,685.26/5,535,389.52 = 1,668,458.88/x - Step 3: Cross multiply
3,690,685.26x = 5,535,389.52 × 1,668,458.88 - Step 4: Simplify right side
3,690,685.26x = 9,235,569,798,902.94 - Step 5: Solve for x
x = 9,235,569,798,902.94/3,690,685.26 - Step 6: Final answer
x = 2,502,399.73
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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.