Finding the Fourth Proportional to 2,146,197.20, 3,218,129.40 and 884,152.40
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Solution
The fourth proportional to 2,146,197.20, 3,218,129.40 and 884,152.40 is: 1,325,748.09
Step by Step Solution
- Step 1: Write the proportion equation
2,146,197.20 : 3,218,129.40 = 884,152.40 : x - Step 2: Convert to fraction form
2,146,197.20/3,218,129.40 = 884,152.40/x - Step 3: Cross multiply
2,146,197.20x = 3,218,129.40 × 884,152.40 - Step 4: Simplify right side
2,146,197.20x = 2,845,316,832,520.56 - Step 5: Solve for x
x = 2,845,316,832,520.56/2,146,197.20 - Step 6: Final answer
x = 1,325,748.09
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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.