Finding the Fourth Proportional to 5,104,179.68, 7,043,927.52 and 2,929,120.76
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Solution
The fourth proportional to 5,104,179.68, 7,043,927.52 and 2,929,120.76 is: 4,042,278.22
Step by Step Solution
- Step 1: Write the proportion equation
5,104,179.68 : 7,043,927.52 = 2,929,120.76 : x - Step 2: Convert to fraction form
5,104,179.68/7,043,927.52 = 2,929,120.76/x - Step 3: Cross multiply
5,104,179.68x = 7,043,927.52 × 2,929,120.76 - Step 4: Simplify right side
5,104,179.68x = 20,632,514,330,767.31 - Step 5: Solve for x
x = 20,632,514,330,767.31/5,104,179.68 - Step 6: Final answer
x = 4,042,278.22
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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.