Finding the Fourth Proportional to 1,310,499.81, 1,809,047.70 and 881,028.99
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Solution
The fourth proportional to 1,310,499.81, 1,809,047.70 and 881,028.99 is: 1,216,195.12
Step by Step Solution
- Step 1: Write the proportion equation
1,310,499.81 : 1,809,047.70 = 881,028.99 : x - Step 2: Convert to fraction form
1,310,499.81/1,809,047.70 = 881,028.99/x - Step 3: Cross multiply
1,310,499.81x = 1,809,047.70 × 881,028.99 - Step 4: Simplify right side
1,310,499.81x = 1,593,823,467,992.82 - Step 5: Solve for x
x = 1,593,823,467,992.82/1,310,499.81 - Step 6: Final answer
x = 1,216,195.12
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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.