Finding the Fourth Proportional to 3,394,799.68, 4,684,730.13 and 1,866,906.81
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Solution
The fourth proportional to 3,394,799.68, 4,684,730.13 and 1,866,906.81 is: 2,576,280.02
Step by Step Solution
- Step 1: Write the proportion equation
3,394,799.68 : 4,684,730.13 = 1,866,906.81 : x - Step 2: Convert to fraction form
3,394,799.68/4,684,730.13 = 1,866,906.81/x - Step 3: Cross multiply
3,394,799.68x = 4,684,730.13 × 1,866,906.81 - Step 4: Simplify right side
3,394,799.68x = 8,745,954,582,709.19 - Step 5: Solve for x
x = 8,745,954,582,709.19/3,394,799.68 - Step 6: Final answer
x = 2,576,280.02
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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.