Finding the Fourth Proportional to 1,796,162.68, 2,478,704.56 and 1,224,202.04
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Solution
The fourth proportional to 1,796,162.68, 2,478,704.56 and 1,224,202.04 is: 1,689,398.86
Step by Step Solution
- Step 1: Write the proportion equation
1,796,162.68 : 2,478,704.56 = 1,224,202.04 : x - Step 2: Convert to fraction form
1,796,162.68/2,478,704.56 = 1,224,202.04/x - Step 3: Cross multiply
1,796,162.68x = 2,478,704.56 × 1,224,202.04 - Step 4: Simplify right side
1,796,162.68x = 3,034,435,178,909.30 - Step 5: Solve for x
x = 3,034,435,178,909.30/1,796,162.68 - Step 6: Final answer
x = 1,689,398.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.