Finding the Fourth Proportional to 3,903,239.76, 5,855,155.80 and 1,207,837.48
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Solution
The fourth proportional to 3,903,239.76, 5,855,155.80 and 1,207,837.48 is: 1,811,847.87
Step by Step Solution
- Step 1: Write the proportion equation
3,903,239.76 : 5,855,155.80 = 1,207,837.48 : x - Step 2: Convert to fraction form
3,903,239.76/5,855,155.80 = 1,207,837.48/x - Step 3: Cross multiply
3,903,239.76x = 5,855,155.80 × 1,207,837.48 - Step 4: Simplify right side
3,903,239.76x = 7,072,076,626,479.38 - Step 5: Solve for x
x = 7,072,076,626,479.38/3,903,239.76 - Step 6: Final answer
x = 1,811,847.87
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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.