Finding the Fourth Proportional to 3,259,274.20, 4,888,911.30 and 1,462,216.30
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Solution
The fourth proportional to 3,259,274.20, 4,888,911.30 and 1,462,216.30 is: 2,193,324.45
Step by Step Solution
- Step 1: Write the proportion equation
3,259,274.20 : 4,888,911.30 = 1,462,216.30 : x - Step 2: Convert to fraction form
3,259,274.20/4,888,911.30 = 1,462,216.30/x - Step 3: Cross multiply
3,259,274.20x = 4,888,911.30 × 1,462,216.30 - Step 4: Simplify right side
3,259,274.20x = 7,148,645,792,114.19 - Step 5: Solve for x
x = 7,148,645,792,114.19/3,259,274.20 - Step 6: Final answer
x = 2,193,324.45
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1.5x scale
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.