Finding the Fourth Proportional to 2,188,805.89, 3,285,201.19 and 1,164,995.70
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Solution
The fourth proportional to 2,188,805.89, 3,285,201.19 and 1,164,995.70 is: 1,748,553.99
Step by Step Solution
- Step 1: Write the proportion equation
2,188,805.89 : 3,285,201.19 = 1,164,995.70 : x - Step 2: Convert to fraction form
2,188,805.89/3,285,201.19 = 1,164,995.70/x - Step 3: Cross multiply
2,188,805.89x = 3,285,201.19 × 1,164,995.70 - Step 4: Simplify right side
2,188,805.89x = 3,827,245,275,748.33 - Step 5: Solve for x
x = 3,827,245,275,748.33/2,188,805.89 - Step 6: Final answer
x = 1,748,553.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.