Finding the Fourth Proportional to 1,368,943.80, 2,053,556.55 and 516,733.26
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Solution
The fourth proportional to 1,368,943.80, 2,053,556.55 and 516,733.26 is: 775,153.06
Step by Step Solution
- Step 1: Write the proportion equation
1,368,943.80 : 2,053,556.55 = 516,733.26 : x - Step 2: Convert to fraction form
1,368,943.80/2,053,556.55 = 516,733.26/x - Step 3: Cross multiply
1,368,943.80x = 2,053,556.55 × 516,733.26 - Step 4: Simplify right side
1,368,943.80x = 1,061,140,970,675.85 - Step 5: Solve for x
x = 1,061,140,970,675.85/1,368,943.80 - Step 6: Final answer
x = 775,153.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.