Finding the Fourth Proportional to 2,789,954.60, 4,186,218.97 and 1,274,102.23
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Solution
The fourth proportional to 2,789,954.60, 4,186,218.97 and 1,274,102.23 is: 1,911,741.11
Step by Step Solution
- Step 1: Write the proportion equation
2,789,954.60 : 4,186,218.97 = 1,274,102.23 : x - Step 2: Convert to fraction form
2,789,954.60/4,186,218.97 = 1,274,102.23/x - Step 3: Cross multiply
2,789,954.60x = 4,186,218.97 × 1,274,102.23 - Step 4: Simplify right side
2,789,954.60x = 5,333,670,900,828.95 - Step 5: Solve for x
x = 5,333,670,900,828.95/2,789,954.60 - Step 6: Final answer
x = 1,911,741.11
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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.