Finding the Fourth Proportional to 5,338,369.86, 7,366,911.90 and 2,890,924.14
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Solution
The fourth proportional to 5,338,369.86, 7,366,911.90 and 2,890,924.14 is: 3,989,454.46
Step by Step Solution
- Step 1: Write the proportion equation
5,338,369.86 : 7,366,911.90 = 2,890,924.14 : x - Step 2: Convert to fraction form
5,338,369.86/7,366,911.90 = 2,890,924.14/x - Step 3: Cross multiply
5,338,369.86x = 7,366,911.90 × 2,890,924.14 - Step 4: Simplify right side
5,338,369.86x = 21,297,183,448,963.27 - Step 5: Solve for x
x = 21,297,183,448,963.27/5,338,369.86 - Step 6: Final answer
x = 3,989,454.46
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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.