Finding the Fourth Proportional to 4,374,089.70, 6,561,134.55 and 2,460,902.10
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Solution
The fourth proportional to 4,374,089.70, 6,561,134.55 and 2,460,902.10 is: 3,691,353.15
Step by Step Solution
- Step 1: Write the proportion equation
4,374,089.70 : 6,561,134.55 = 2,460,902.10 : x - Step 2: Convert to fraction form
4,374,089.70/6,561,134.55 = 2,460,902.10/x - Step 3: Cross multiply
4,374,089.70x = 6,561,134.55 × 2,460,902.10 - Step 4: Simplify right side
4,374,089.70x = 16,146,309,792,477.55 - Step 5: Solve for x
x = 16,146,309,792,477.55/4,374,089.70 - Step 6: Final answer
x = 3,691,353.15
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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.