Finding the Fourth Proportional to 1,726,278.80, 2,589,418.20 and 886,470.80
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Solution
The fourth proportional to 1,726,278.80, 2,589,418.20 and 886,470.80 is: 1,329,706.20
Step by Step Solution
- Step 1: Write the proportion equation
1,726,278.80 : 2,589,418.20 = 886,470.80 : x - Step 2: Convert to fraction form
1,726,278.80/2,589,418.20 = 886,470.80/x - Step 3: Cross multiply
1,726,278.80x = 2,589,418.20 × 886,470.80 - Step 4: Simplify right side
1,726,278.80x = 2,295,443,623,288.56 - Step 5: Solve for x
x = 2,295,443,623,288.56/1,726,278.80 - Step 6: Final answer
x = 1,329,706.20
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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.