Finding the Fourth Proportional to 1,697,673.21, 2,546,914.41 and 499,634.61
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Solution
The fourth proportional to 1,697,673.21, 2,546,914.41 and 499,634.61 is: 749,570.99
Step by Step Solution
- Step 1: Write the proportion equation
1,697,673.21 : 2,546,914.41 = 499,634.61 : x - Step 2: Convert to fraction form
1,697,673.21/2,546,914.41 = 499,634.61/x - Step 3: Cross multiply
1,697,673.21x = 2,546,914.41 × 499,634.61 - Step 4: Simplify right side
1,697,673.21x = 1,272,526,587,943.73 - Step 5: Solve for x
x = 1,272,526,587,943.73/1,697,673.21 - Step 6: Final answer
x = 749,570.99
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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.