Finding the Fourth Proportional to 1,760,309.07, 2,640,875.49 and 545,821.80
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Solution
The fourth proportional to 1,760,309.07, 2,640,875.49 and 545,821.80 is: 818,860.41
Step by Step Solution
- Step 1: Write the proportion equation
1,760,309.07 : 2,640,875.49 = 545,821.80 : x - Step 2: Convert to fraction form
1,760,309.07/2,640,875.49 = 545,821.80/x - Step 3: Cross multiply
1,760,309.07x = 2,640,875.49 × 545,821.80 - Step 4: Simplify right side
1,760,309.07x = 1,441,447,413,527.68 - Step 5: Solve for x
x = 1,441,447,413,527.68/1,760,309.07 - Step 6: Final answer
x = 818,860.41
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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.