Finding the Fourth Proportional to 3,468,253.60, 5,198,881.20 and 1,576,352.80
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Solution
The fourth proportional to 3,468,253.60, 5,198,881.20 and 1,576,352.80 is: 2,362,938.78
Step by Step Solution
- Step 1: Write the proportion equation
3,468,253.60 : 5,198,881.20 = 1,576,352.80 : x - Step 2: Convert to fraction form
3,468,253.60/5,198,881.20 = 1,576,352.80/x - Step 3: Cross multiply
3,468,253.60x = 5,198,881.20 × 1,576,352.80 - Step 4: Simplify right side
3,468,253.60x = 8,195,270,936,487.36 - Step 5: Solve for x
x = 8,195,270,936,487.36/3,468,253.60 - Step 6: Final answer
x = 2,362,938.78
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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.