Finding the Fourth Proportional to 4,737,384.96, 7,105,335.12 and 1,542,489.60
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Solution
The fourth proportional to 4,737,384.96, 7,105,335.12 and 1,542,489.60 is: 2,313,492.70
Step by Step Solution
- Step 1: Write the proportion equation
4,737,384.96 : 7,105,335.12 = 1,542,489.60 : x - Step 2: Convert to fraction form
4,737,384.96/7,105,335.12 = 1,542,489.60/x - Step 3: Cross multiply
4,737,384.96x = 7,105,335.12 × 1,542,489.60 - Step 4: Simplify right side
4,737,384.96x = 10,959,905,527,114.75 - Step 5: Solve for x
x = 10,959,905,527,114.75/4,737,384.96 - Step 6: Final answer
x = 2,313,492.70
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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.