Finding the Fourth Proportional to 1,479,113.76, 2,219,929.58 and 581,183.40
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Solution
The fourth proportional to 1,479,113.76, 2,219,929.58 and 581,183.40 is: 872,269.77
Step by Step Solution
- Step 1: Write the proportion equation
1,479,113.76 : 2,219,929.58 = 581,183.40 : x - Step 2: Convert to fraction form
1,479,113.76/2,219,929.58 = 581,183.40/x - Step 3: Cross multiply
1,479,113.76x = 2,219,929.58 × 581,183.40 - Step 4: Simplify right side
1,479,113.76x = 1,290,186,221,064.97 - Step 5: Solve for x
x = 1,290,186,221,064.97/1,479,113.76 - Step 6: Final answer
x = 872,269.77
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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.