Finding the Fourth Proportional to 5,377,227.36, 7,420,480.52 and 2,929,858.34
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Solution
The fourth proportional to 5,377,227.36, 7,420,480.52 and 2,929,858.34 is: 4,043,153.71
Step by Step Solution
- Step 1: Write the proportion equation
5,377,227.36 : 7,420,480.52 = 2,929,858.34 : x - Step 2: Convert to fraction form
5,377,227.36/7,420,480.52 = 2,929,858.34/x - Step 3: Cross multiply
5,377,227.36x = 7,420,480.52 × 2,929,858.34 - Step 4: Simplify right side
5,377,227.36x = 21,740,956,738,329.54 - Step 5: Solve for x
x = 21,740,956,738,329.54/5,377,227.36 - Step 6: Final answer
x = 4,043,153.71
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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.