Finding the Fourth Proportional to 2,125,886.18, 3,190,151.70 and 863,713.80
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Solution
The fourth proportional to 2,125,886.18, 3,190,151.70 and 863,713.80 is: 1,296,107.99
Step by Step Solution
- Step 1: Write the proportion equation
2,125,886.18 : 3,190,151.70 = 863,713.80 : x - Step 2: Convert to fraction form
2,125,886.18/3,190,151.70 = 863,713.80/x - Step 3: Cross multiply
2,125,886.18x = 3,190,151.70 × 863,713.80 - Step 4: Simplify right side
2,125,886.18x = 2,755,378,047,383.46 - Step 5: Solve for x
x = 2,755,378,047,383.46/2,125,886.18 - Step 6: Final answer
x = 1,296,107.99
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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.