Finding the Fourth Proportional to 3,750,204.49, 5,174,893.78 and 2,118,789.97
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Solution
The fourth proportional to 3,750,204.49, 5,174,893.78 and 2,118,789.97 is: 2,923,710.71
Step by Step Solution
- Step 1: Write the proportion equation
3,750,204.49 : 5,174,893.78 = 2,118,789.97 : x - Step 2: Convert to fraction form
3,750,204.49/5,174,893.78 = 2,118,789.97/x - Step 3: Cross multiply
3,750,204.49x = 5,174,893.78 × 2,118,789.97 - Step 4: Simplify right side
3,750,204.49x = 10,964,513,036,879.39 - Step 5: Solve for x
x = 10,964,513,036,879.39/3,750,204.49 - Step 6: Final answer
x = 2,923,710.71
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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.