Finding the Fourth Proportional to 2,121,755.74, 3,182,662.80 and 605,438.17
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Solution
The fourth proportional to 2,121,755.74, 3,182,662.80 and 605,438.17 is: 908,165.58
Step by Step Solution
- Step 1: Write the proportion equation
2,121,755.74 : 3,182,662.80 = 605,438.17 : x - Step 2: Convert to fraction form
2,121,755.74/3,182,662.80 = 605,438.17/x - Step 3: Cross multiply
2,121,755.74x = 3,182,662.80 × 605,438.17 - Step 4: Simplify right side
2,121,755.74x = 1,926,905,533,402.42 - Step 5: Solve for x
x = 1,926,905,533,402.42/2,121,755.74 - Step 6: Final answer
x = 908,165.58
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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.