Finding the Fourth Proportional to 6,840,374.40, 10,253,793.60 and 3,239,812.80
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Solution
The fourth proportional to 6,840,374.40, 10,253,793.60 and 3,239,812.80 is: 4,856,513.67
Step by Step Solution
- Step 1: Write the proportion equation
6,840,374.40 : 10,253,793.60 = 3,239,812.80 : x - Step 2: Convert to fraction form
6,840,374.40/10,253,793.60 = 3,239,812.80/x - Step 3: Cross multiply
6,840,374.40x = 10,253,793.60 × 3,239,812.80 - Step 4: Simplify right side
6,840,374.40x = 33,220,371,753,838.08 - Step 5: Solve for x
x = 33,220,371,753,838.08/6,840,374.40 - Step 6: Final answer
x = 4,856,513.67
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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.