Finding the Fourth Proportional to 1,798,380.90, 2,481,736.28 and 982,566.99
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Solution
The fourth proportional to 1,798,380.90, 2,481,736.28 and 982,566.99 is: 1,355,926.40
Step by Step Solution
- Step 1: Write the proportion equation
1,798,380.90 : 2,481,736.28 = 982,566.99 : x - Step 2: Convert to fraction form
1,798,380.90/2,481,736.28 = 982,566.99/x - Step 3: Cross multiply
1,798,380.90x = 2,481,736.28 × 982,566.99 - Step 4: Simplify right side
1,798,380.90x = 2,438,472,141,700.56 - Step 5: Solve for x
x = 2,438,472,141,700.56/1,798,380.90 - Step 6: Final answer
x = 1,355,926.40
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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.