Finding the Fourth Proportional to 1,728,014.80, 2,590,855.80 and 918,533.20
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Solution
The fourth proportional to 1,728,014.80, 2,590,855.80 and 918,533.20 is: 1,377,179.80
Step by Step Solution
- Step 1: Write the proportion equation
1,728,014.80 : 2,590,855.80 = 918,533.20 : x - Step 2: Convert to fraction form
1,728,014.80/2,590,855.80 = 918,533.20/x - Step 3: Cross multiply
1,728,014.80x = 2,590,855.80 × 918,533.20 - Step 4: Simplify right side
1,728,014.80x = 2,379,787,068,712.56 - Step 5: Solve for x
x = 2,379,787,068,712.56/1,728,014.80 - Step 6: Final answer
x = 1,377,179.80
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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.