Finding the Fourth Proportional to 4,275,659.40, 6,413,489.10 and 3,889,969.80
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Solution
The fourth proportional to 4,275,659.40, 6,413,489.10 and 3,889,969.80 is: 5,834,954.70
Step by Step Solution
- Step 1: Write the proportion equation
4,275,659.40 : 6,413,489.10 = 3,889,969.80 : x - Step 2: Convert to fraction form
4,275,659.40/6,413,489.10 = 3,889,969.80/x - Step 3: Cross multiply
4,275,659.40x = 6,413,489.10 × 3,889,969.80 - Step 4: Simplify right side
4,275,659.40x = 24,948,278,911,629.18 - Step 5: Solve for x
x = 24,948,278,911,629.18/4,275,659.40 - Step 6: Final answer
x = 5,834,954.70
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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.