Finding the Fourth Proportional to 5,338,126.09, 7,366,617.99 and 2,890,739.82
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Solution
The fourth proportional to 5,338,126.09, 7,366,617.99 and 2,890,739.82 is: 3,989,223.11
Step by Step Solution
- Step 1: Write the proportion equation
5,338,126.09 : 7,366,617.99 = 2,890,739.82 : x - Step 2: Convert to fraction form
5,338,126.09/7,366,617.99 = 2,890,739.82/x - Step 3: Cross multiply
5,338,126.09x = 7,366,617.99 × 2,890,739.82 - Step 4: Simplify right side
5,338,126.09x = 21,294,975,962,421.36 - Step 5: Solve for x
x = 21,294,975,962,421.36/5,338,126.09 - Step 6: Final answer
x = 3,989,223.11
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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.