Finding the Fourth Proportional to 2,220,101.60, 3,328,694.40 and 871,451.60
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Solution
The fourth proportional to 2,220,101.60, 3,328,694.40 and 871,451.60 is: 1,306,605.09
Step by Step Solution
- Step 1: Write the proportion equation
2,220,101.60 : 3,328,694.40 = 871,451.60 : x - Step 2: Convert to fraction form
2,220,101.60/3,328,694.40 = 871,451.60/x - Step 3: Cross multiply
2,220,101.60x = 3,328,694.40 × 871,451.60 - Step 4: Simplify right side
2,220,101.60x = 2,900,796,060,791.04 - Step 5: Solve for x
x = 2,900,796,060,791.04/2,220,101.60 - Step 6: Final answer
x = 1,306,605.09
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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.