Finding the Fourth Proportional to 1,479,908.05, 2,042,274.91 and 800,844.55
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Solution
The fourth proportional to 1,479,908.05, 2,042,274.91 and 800,844.55 is: 1,105,166.45
Step by Step Solution
- Step 1: Write the proportion equation
1,479,908.05 : 2,042,274.91 = 800,844.55 : x - Step 2: Convert to fraction form
1,479,908.05/2,042,274.91 = 800,844.55/x - Step 3: Cross multiply
1,479,908.05x = 2,042,274.91 × 800,844.55 - Step 4: Simplify right side
1,479,908.05x = 1,635,544,731,275.24 - Step 5: Solve for x
x = 1,635,544,731,275.24/1,479,908.05 - Step 6: Final answer
x = 1,105,166.45
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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.