Finding the Fourth Proportional to 5,181,201.05, 7,766,099.18 and 1,813,674.65
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Solution
The fourth proportional to 5,181,201.05, 7,766,099.18 and 1,813,674.65 is: 2,718,515.86
Step by Step Solution
- Step 1: Write the proportion equation
5,181,201.05 : 7,766,099.18 = 1,813,674.65 : x - Step 2: Convert to fraction form
5,181,201.05/7,766,099.18 = 1,813,674.65/x - Step 3: Cross multiply
5,181,201.05x = 7,766,099.18 × 1,813,674.65 - Step 4: Simplify right side
5,181,201.05x = 14,085,177,203,083.41 - Step 5: Solve for x
x = 14,085,177,203,083.41/5,181,201.05 - Step 6: Final answer
x = 2,718,515.86
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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.