Finding the Fourth Proportional to 2,042,678.75, 2,818,984.16 and 1,137,260.75
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Solution
The fourth proportional to 2,042,678.75, 2,818,984.16 and 1,137,260.75 is: 1,569,468.54
Step by Step Solution
- Step 1: Write the proportion equation
2,042,678.75 : 2,818,984.16 = 1,137,260.75 : x - Step 2: Convert to fraction form
2,042,678.75/2,818,984.16 = 1,137,260.75/x - Step 3: Cross multiply
2,042,678.75x = 2,818,984.16 × 1,137,260.75 - Step 4: Simplify right side
2,042,678.75x = 3,205,920,034,353.42 - Step 5: Solve for x
x = 3,205,920,034,353.42/2,042,678.75 - Step 6: Final answer
x = 1,569,468.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.