Finding the Fourth Proportional to 1,812,425.80, 2,718,552.30 and 614,230.60
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Solution
The fourth proportional to 1,812,425.80, 2,718,552.30 and 614,230.60 is: 921,316.62
Step by Step Solution
- Step 1: Write the proportion equation
1,812,425.80 : 2,718,552.30 = 614,230.60 : x - Step 2: Convert to fraction form
1,812,425.80/2,718,552.30 = 614,230.60/x - Step 3: Cross multiply
1,812,425.80x = 2,718,552.30 × 614,230.60 - Step 4: Simplify right side
1,812,425.80x = 1,669,818,010,360.38 - Step 5: Solve for x
x = 1,669,818,010,360.38/1,812,425.80 - Step 6: Final answer
x = 921,316.62
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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.