Finding the Fourth Proportional to 3,983,925.20, 5,497,821.96 and 2,173,119.44
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Solution
The fourth proportional to 3,983,925.20, 5,497,821.96 and 2,173,119.44 is: 2,998,907.65
Step by Step Solution
- Step 1: Write the proportion equation
3,983,925.20 : 5,497,821.96 = 2,173,119.44 : x - Step 2: Convert to fraction form
3,983,925.20/5,497,821.96 = 2,173,119.44/x - Step 3: Cross multiply
3,983,925.20x = 5,497,821.96 × 2,173,119.44 - Step 4: Simplify right side
3,983,925.20x = 11,947,423,778,934.90 - Step 5: Solve for x
x = 11,947,423,778,934.90/3,983,925.20 - Step 6: Final answer
x = 2,998,907.65
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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.