Finding the Fourth Proportional to 7,043,704.90, 10,565,557.35 and 2,555,397.70
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Solution
The fourth proportional to 7,043,704.90, 10,565,557.35 and 2,555,397.70 is: 3,833,096.55
Step by Step Solution
- Step 1: Write the proportion equation
7,043,704.90 : 10,565,557.35 = 2,555,397.70 : x - Step 2: Convert to fraction form
7,043,704.90/10,565,557.35 = 2,555,397.70/x - Step 3: Cross multiply
7,043,704.90x = 10,565,557.35 × 2,555,397.70 - Step 4: Simplify right side
7,043,704.90x = 26,999,200,951,408.10 - Step 5: Solve for x
x = 26,999,200,951,408.10/7,043,704.90 - Step 6: Final answer
x = 3,833,096.55
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Double scale
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Similar ratio
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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.