Finding the Fourth Proportional to 2,416,701.60, 3,625,052.40 and 1,620,439.20
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Solution
The fourth proportional to 2,416,701.60, 3,625,052.40 and 1,620,439.20 is: 2,430,658.80
Step by Step Solution
- Step 1: Write the proportion equation
2,416,701.60 : 3,625,052.40 = 1,620,439.20 : x - Step 2: Convert to fraction form
2,416,701.60/3,625,052.40 = 1,620,439.20/x - Step 3: Cross multiply
2,416,701.60x = 3,625,052.40 × 1,620,439.20 - Step 4: Simplify right side
2,416,701.60x = 5,874,177,011,014.08 - Step 5: Solve for x
x = 5,874,177,011,014.08/2,416,701.60 - Step 6: Final answer
x = 2,430,658.80
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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.