Finding the Fourth Proportional to 4,452,881.40, 6,679,540.80 and 2,327,117.40
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Solution
The fourth proportional to 4,452,881.40, 6,679,540.80 and 2,327,117.40 is: 3,490,790.39
Step by Step Solution
- Step 1: Write the proportion equation
4,452,881.40 : 6,679,540.80 = 2,327,117.40 : x - Step 2: Convert to fraction form
4,452,881.40/6,679,540.80 = 2,327,117.40/x - Step 3: Cross multiply
4,452,881.40x = 6,679,540.80 × 2,327,117.40 - Step 4: Simplify right side
4,452,881.40x = 15,544,075,619,689.92 - Step 5: Solve for x
x = 15,544,075,619,689.92/4,452,881.40 - Step 6: Final answer
x = 3,490,790.39
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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.