Finding the Fourth Proportional to 3,572,285.80, 4,929,640.68 and 2,044,360.12
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Solution
The fourth proportional to 3,572,285.80, 4,929,640.68 and 2,044,360.12 is: 2,821,151.88
Step by Step Solution
- Step 1: Write the proportion equation
3,572,285.80 : 4,929,640.68 = 2,044,360.12 : x - Step 2: Convert to fraction form
3,572,285.80/4,929,640.68 = 2,044,360.12/x - Step 3: Cross multiply
3,572,285.80x = 4,929,640.68 × 2,044,360.12 - Step 4: Simplify right side
3,572,285.80x = 10,077,960,812,121.68 - Step 5: Solve for x
x = 10,077,960,812,121.68/3,572,285.80 - Step 6: Final answer
x = 2,821,151.88
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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.