Finding the Fourth Proportional to 1,994,446.26, 2,752,552.53 and 1,230,480.18
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Solution
The fourth proportional to 1,994,446.26, 2,752,552.53 and 1,230,480.18 is: 1,698,196.34
Step by Step Solution
- Step 1: Write the proportion equation
1,994,446.26 : 2,752,552.53 = 1,230,480.18 : x - Step 2: Convert to fraction form
1,994,446.26/2,752,552.53 = 1,230,480.18/x - Step 3: Cross multiply
1,994,446.26x = 2,752,552.53 × 1,230,480.18 - Step 4: Simplify right side
1,994,446.26x = 3,386,961,332,573.86 - Step 5: Solve for x
x = 3,386,961,332,573.86/1,994,446.26 - Step 6: Final answer
x = 1,698,196.34
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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.