Finding the Fourth Proportional to 2,900,515.52, 4,350,433.32 and 981,420.99
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Solution
The fourth proportional to 2,900,515.52, 4,350,433.32 and 981,420.99 is: 1,472,016.46
Step by Step Solution
- Step 1: Write the proportion equation
2,900,515.52 : 4,350,433.32 = 981,420.99 : x - Step 2: Convert to fraction form
2,900,515.52/4,350,433.32 = 981,420.99/x - Step 3: Cross multiply
2,900,515.52x = 4,350,433.32 × 981,420.99 - Step 4: Simplify right side
2,900,515.52x = 4,269,606,575,843.39 - Step 5: Solve for x
x = 4,269,606,575,843.39/2,900,515.52 - Step 6: Final answer
x = 1,472,016.46
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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.