Finding the Fourth Proportional to 3,920,151.94, 5,880,449.34 and 1,395,807.19
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Solution
The fourth proportional to 3,920,151.94, 5,880,449.34 and 1,395,807.19 is: 2,093,789.62
Step by Step Solution
- Step 1: Write the proportion equation
3,920,151.94 : 5,880,449.34 = 1,395,807.19 : x - Step 2: Convert to fraction form
3,920,151.94/5,880,449.34 = 1,395,807.19/x - Step 3: Cross multiply
3,920,151.94x = 5,880,449.34 × 1,395,807.19 - Step 4: Simplify right side
3,920,151.94x = 8,207,973,454,501.63 - Step 5: Solve for x
x = 8,207,973,454,501.63/3,920,151.94 - Step 6: Final answer
x = 2,093,789.62
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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.