Finding the Fourth Proportional to 1,994,897.25, 2,992,766.18 and 646,954.74
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Solution
The fourth proportional to 1,994,897.25, 2,992,766.18 and 646,954.74 is: 970,568.43
Step by Step Solution
- Step 1: Write the proportion equation
1,994,897.25 : 2,992,766.18 = 646,954.74 : x - Step 2: Convert to fraction form
1,994,897.25/2,992,766.18 = 646,954.74/x - Step 3: Cross multiply
1,994,897.25x = 2,992,766.18 × 646,954.74 - Step 4: Simplify right side
1,994,897.25x = 1,936,184,278,702.95 - Step 5: Solve for x
x = 1,936,184,278,702.95/1,994,897.25 - Step 6: Final answer
x = 970,568.43
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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.