Finding the Fourth Proportional to 4,842,452.80, 6,682,090.34 and 2,981,572.80
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Solution
The fourth proportional to 4,842,452.80, 6,682,090.34 and 2,981,572.80 is: 4,114,265.98
Step by Step Solution
- Step 1: Write the proportion equation
4,842,452.80 : 6,682,090.34 = 2,981,572.80 : x - Step 2: Convert to fraction form
4,842,452.80/6,682,090.34 = 2,981,572.80/x - Step 3: Cross multiply
4,842,452.80x = 6,682,090.34 × 2,981,572.80 - Step 4: Simplify right side
4,842,452.80x = 19,923,138,804,886.75 - Step 5: Solve for x
x = 19,923,138,804,886.75/4,842,452.80 - Step 6: Final answer
x = 4,114,265.98
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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.