Finding the Fourth Proportional to 2,957,789.81, 4,081,749.98 and 1,599,662.81
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Solution
The fourth proportional to 2,957,789.81, 4,081,749.98 and 1,599,662.81 is: 2,207,534.70
Step by Step Solution
- Step 1: Write the proportion equation
2,957,789.81 : 4,081,749.98 = 1,599,662.81 : x - Step 2: Convert to fraction form
2,957,789.81/4,081,749.98 = 1,599,662.81/x - Step 3: Cross multiply
2,957,789.81x = 4,081,749.98 × 1,599,662.81 - Step 4: Simplify right side
2,957,789.81x = 6,529,423,644,930.31 - Step 5: Solve for x
x = 6,529,423,644,930.31/2,957,789.81 - Step 6: Final answer
x = 2,207,534.70
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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.