Finding the Fourth Proportional to 7,405,545.60, 11,106,141.12 and 3,145,680
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Solution
The fourth proportional to 7,405,545.60, 11,106,141.12 and 3,145,680 is: 4,717,595.15
Step by Step Solution
- Step 1: Write the proportion equation
7,405,545.60 : 11,106,141.12 = 3,145,680 : x - Step 2: Convert to fraction form
7,405,545.60/11,106,141.12 = 3,145,680/x - Step 3: Cross multiply
7,405,545.60x = 11,106,141.12 × 3,145,680 - Step 4: Simplify right side
7,405,545.60x = 34,936,365,998,361.60 - Step 5: Solve for x
x = 34,936,365,998,361.60/7,405,545.60 - Step 6: Final answer
x = 4,717,595.15
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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.