Finding the Fourth Proportional to 5,431,050.90, 8,146,576.35 and 5,347,070.10
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Solution
The fourth proportional to 5,431,050.90, 8,146,576.35 and 5,347,070.10 is: 8,020,605.15
Step by Step Solution
- Step 1: Write the proportion equation
5,431,050.90 : 8,146,576.35 = 5,347,070.10 : x - Step 2: Convert to fraction form
5,431,050.90/8,146,576.35 = 5,347,070.10/x - Step 3: Cross multiply
5,431,050.90x = 8,146,576.35 × 5,347,070.10 - Step 4: Simplify right side
5,431,050.90x = 43,560,314,818,452.13 - Step 5: Solve for x
x = 43,560,314,818,452.13/5,431,050.90 - Step 6: Final answer
x = 8,020,605.15
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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.