Finding the Fourth Proportional to 4,486,816.17, 6,728,812.50 and 1,453,478.28
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Solution
The fourth proportional to 4,486,816.17, 6,728,812.50 and 1,453,478.28 is: 2,179,760.09
Step by Step Solution
- Step 1: Write the proportion equation
4,486,816.17 : 6,728,812.50 = 1,453,478.28 : x - Step 2: Convert to fraction form
4,486,816.17/6,728,812.50 = 1,453,478.28/x - Step 3: Cross multiply
4,486,816.17x = 6,728,812.50 × 1,453,478.28 - Step 4: Simplify right side
4,486,816.17x = 9,780,182,818,942.50 - Step 5: Solve for x
x = 9,780,182,818,942.50/4,486,816.17 - Step 6: Final answer
x = 2,179,760.09
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1.5x scale
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.