Finding the Fourth Proportional to 5,338,368.36, 7,366,909.83 and 2,890,922.63
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Solution
The fourth proportional to 5,338,368.36, 7,366,909.83 and 2,890,922.63 is: 3,989,452.38
Step by Step Solution
- Step 1: Write the proportion equation
5,338,368.36 : 7,366,909.83 = 2,890,922.63 : x - Step 2: Convert to fraction form
5,338,368.36/7,366,909.83 = 2,890,922.63/x - Step 3: Cross multiply
5,338,368.36x = 7,366,909.83 × 2,890,922.63 - Step 4: Simplify right side
5,338,368.36x = 21,297,166,359,133.73 - Step 5: Solve for x
x = 21,297,166,359,133.73/5,338,368.36 - Step 6: Final answer
x = 3,989,452.38
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1.5x scale
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.