Finding the Fourth Proportional to 2,828,278.08, 3,902,983.20 and 1,556,470.08
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Solution
The fourth proportional to 2,828,278.08, 3,902,983.20 and 1,556,470.08 is: 2,147,906.39
Step by Step Solution
- Step 1: Write the proportion equation
2,828,278.08 : 3,902,983.20 = 1,556,470.08 : x - Step 2: Convert to fraction form
2,828,278.08/3,902,983.20 = 1,556,470.08/x - Step 3: Cross multiply
2,828,278.08x = 3,902,983.20 × 1,556,470.08 - Step 4: Simplify right side
2,828,278.08x = 6,074,876,573,542.66 - Step 5: Solve for x
x = 6,074,876,573,542.66/2,828,278.08 - Step 6: Final answer
x = 2,147,906.39
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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.