Finding the Fourth Proportional to 1,631,921.18, 2,447,882.37 and 620,809.52
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Solution
The fourth proportional to 1,631,921.18, 2,447,882.37 and 620,809.52 is: 931,214.50
Step by Step Solution
- Step 1: Write the proportion equation
1,631,921.18 : 2,447,882.37 = 620,809.52 : x - Step 2: Convert to fraction form
1,631,921.18/2,447,882.37 = 620,809.52/x - Step 3: Cross multiply
1,631,921.18x = 2,447,882.37 × 620,809.52 - Step 4: Simplify right side
1,631,921.18x = 1,519,668,666,896.75 - Step 5: Solve for x
x = 1,519,668,666,896.75/1,631,921.18 - Step 6: Final answer
x = 931,214.50
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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.