Finding the Fourth Proportional to 1,864,220.88, 2,790,316.98 and 964,423.56
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Solution
The fourth proportional to 1,864,220.88, 2,790,316.98 and 964,423.56 is: 1,443,523.92
Step by Step Solution
- Step 1: Write the proportion equation
1,864,220.88 : 2,790,316.98 = 964,423.56 : x - Step 2: Convert to fraction form
1,864,220.88/2,790,316.98 = 964,423.56/x - Step 3: Cross multiply
1,864,220.88x = 2,790,316.98 × 964,423.56 - Step 4: Simplify right side
1,864,220.88x = 2,691,047,435,380.05 - Step 5: Solve for x
x = 2,691,047,435,380.05/1,864,220.88 - Step 6: Final answer
x = 1,443,523.92
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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.