Finding the Fourth Proportional to 2,765,649.96, 3,816,847.62 and 1,678,197.06
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Solution
The fourth proportional to 2,765,649.96, 3,816,847.62 and 1,678,197.06 is: 2,316,064.05
Step by Step Solution
- Step 1: Write the proportion equation
2,765,649.96 : 3,816,847.62 = 1,678,197.06 : x - Step 2: Convert to fraction form
2,765,649.96/3,816,847.62 = 1,678,197.06/x - Step 3: Cross multiply
2,765,649.96x = 3,816,847.62 × 1,678,197.06 - Step 4: Simplify right side
2,765,649.96x = 6,405,422,454,352.00 - Step 5: Solve for x
x = 6,405,422,454,352.00/2,765,649.96 - Step 6: Final answer
x = 2,316,064.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.