Finding the Fourth Proportional to 1,818,771.23, 2,728,156.68 and 1,020,115.05
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Solution
The fourth proportional to 1,818,771.23, 2,728,156.68 and 1,020,115.05 is: 1,530,172.49
Step by Step Solution
- Step 1: Write the proportion equation
1,818,771.23 : 2,728,156.68 = 1,020,115.05 : x - Step 2: Convert to fraction form
1,818,771.23/2,728,156.68 = 1,020,115.05/x - Step 3: Cross multiply
1,818,771.23x = 2,728,156.68 × 1,020,115.05 - Step 4: Simplify right side
1,818,771.23x = 2,783,033,688,026.03 - Step 5: Solve for x
x = 2,783,033,688,026.03/1,818,771.23 - Step 6: Final answer
x = 1,530,172.49
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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.