Finding the Fourth Proportional to 1,310,490.80, 1,809,035.27 and 881,019.99
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Solution
The fourth proportional to 1,310,490.80, 1,809,035.27 and 881,019.99 is: 1,216,182.70
Step by Step Solution
- Step 1: Write the proportion equation
1,310,490.80 : 1,809,035.27 = 881,019.99 : x - Step 2: Convert to fraction form
1,310,490.80/1,809,035.27 = 881,019.99/x - Step 3: Cross multiply
1,310,490.80x = 1,809,035.27 × 881,019.99 - Step 4: Simplify right side
1,310,490.80x = 1,593,796,234,383.77 - Step 5: Solve for x
x = 1,593,796,234,383.77/1,310,490.80 - Step 6: Final answer
x = 1,216,182.70
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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.