Finding the Fourth Proportional to 1,720,315.60, 2,578,861.84 and 582,281.44
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Solution
The fourth proportional to 1,720,315.60, 2,578,861.84 and 582,281.44 is: 872,876.69
Step by Step Solution
- Step 1: Write the proportion equation
1,720,315.60 : 2,578,861.84 = 582,281.44 : x - Step 2: Convert to fraction form
1,720,315.60/2,578,861.84 = 582,281.44/x - Step 3: Cross multiply
1,720,315.60x = 2,578,861.84 × 582,281.44 - Step 4: Simplify right side
1,720,315.60x = 1,501,623,385,756.25 - Step 5: Solve for x
x = 1,501,623,385,756.25/1,720,315.60 - Step 6: Final answer
x = 872,876.69
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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.