Finding the Fourth Proportional to 2,114,239.90, 3,171,332.30 and 516,817.02
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Solution
The fourth proportional to 2,114,239.90, 3,171,332.30 and 516,817.02 is: 775,218.80
Step by Step Solution
- Step 1: Write the proportion equation
2,114,239.90 : 3,171,332.30 = 516,817.02 : x - Step 2: Convert to fraction form
2,114,239.90/3,171,332.30 = 516,817.02/x - Step 3: Cross multiply
2,114,239.90x = 3,171,332.30 × 516,817.02 - Step 4: Simplify right side
2,114,239.90x = 1,638,998,508,715.75 - Step 5: Solve for x
x = 1,638,998,508,715.75/2,114,239.90 - Step 6: Final answer
x = 775,218.80
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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.