Finding the Fourth Proportional to 4,097,447.70, 6,146,171.55 and 1,971,683.70
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Solution
The fourth proportional to 4,097,447.70, 6,146,171.55 and 1,971,683.70 is: 2,957,525.55
Step by Step Solution
- Step 1: Write the proportion equation
4,097,447.70 : 6,146,171.55 = 1,971,683.70 : x - Step 2: Convert to fraction form
4,097,447.70/6,146,171.55 = 1,971,683.70/x - Step 3: Cross multiply
4,097,447.70x = 6,146,171.55 × 1,971,683.70 - Step 4: Simplify right side
4,097,447.70x = 12,118,306,262,538.73 - Step 5: Solve for x
x = 12,118,306,262,538.73/4,097,447.70 - Step 6: Final answer
x = 2,957,525.55
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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.