Finding the Fourth Proportional to 2,765,632.17, 4,144,686.60 and 1,628,917.05
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Solution
The fourth proportional to 2,765,632.17, 4,144,686.60 and 1,628,917.05 is: 2,441,160.02
Step by Step Solution
- Step 1: Write the proportion equation
2,765,632.17 : 4,144,686.60 = 1,628,917.05 : x - Step 2: Convert to fraction form
2,765,632.17/4,144,686.60 = 1,628,917.05/x - Step 3: Cross multiply
2,765,632.17x = 4,144,686.60 × 1,628,917.05 - Step 4: Simplify right side
2,765,632.17x = 6,751,350,669,646.53 - Step 5: Solve for x
x = 6,751,350,669,646.53/2,765,632.17 - Step 6: Final answer
x = 2,441,160.02
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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.