Finding the Fourth Proportional to 1,765,394.53, 2,647,697.73 and 818,642.23
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Solution
The fourth proportional to 1,765,394.53, 2,647,697.73 and 818,642.23 is: 1,227,780.61
Step by Step Solution
- Step 1: Write the proportion equation
1,765,394.53 : 2,647,697.73 = 818,642.23 : x - Step 2: Convert to fraction form
1,765,394.53/2,647,697.73 = 818,642.23/x - Step 3: Cross multiply
1,765,394.53x = 2,647,697.73 × 818,642.23 - Step 4: Simplify right side
1,765,394.53x = 2,167,517,164,363.99 - Step 5: Solve for x
x = 2,167,517,164,363.99/1,765,394.53 - Step 6: Final answer
x = 1,227,780.61
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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.