Finding the Fourth Proportional to 3,790,327.02, 5,230,639.71 and 2,071,447.65
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Solution
The fourth proportional to 3,790,327.02, 5,230,639.71 and 2,071,447.65 is: 2,858,591.43
Step by Step Solution
- Step 1: Write the proportion equation
3,790,327.02 : 5,230,639.71 = 2,071,447.65 : x - Step 2: Convert to fraction form
3,790,327.02/5,230,639.71 = 2,071,447.65/x - Step 3: Cross multiply
3,790,327.02x = 5,230,639.71 × 2,071,447.65 - Step 4: Simplify right side
3,790,327.02x = 10,834,996,335,276.18 - Step 5: Solve for x
x = 10,834,996,335,276.18/3,790,327.02 - Step 6: Final answer
x = 2,858,591.43
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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.