Finding the Fourth Proportional to 1,932,849.48, 2,668,666.68 and 1,208,022.99
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Solution
The fourth proportional to 1,932,849.48, 2,668,666.68 and 1,208,022.99 is: 1,667,905.72
Step by Step Solution
- Step 1: Write the proportion equation
1,932,849.48 : 2,668,666.68 = 1,208,022.99 : x - Step 2: Convert to fraction form
1,932,849.48/2,668,666.68 = 1,208,022.99/x - Step 3: Cross multiply
1,932,849.48x = 2,668,666.68 × 1,208,022.99 - Step 4: Simplify right side
1,932,849.48x = 3,223,810,702,086.97 - Step 5: Solve for x
x = 3,223,810,702,086.97/1,932,849.48 - Step 6: Final answer
x = 1,667,905.72
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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.