Finding the Fourth Proportional to 3,782,780.28, 5,220,229.14 and 2,063,899.80
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Solution
The fourth proportional to 3,782,780.28, 5,220,229.14 and 2,063,899.80 is: 2,848,177.55
Step by Step Solution
- Step 1: Write the proportion equation
3,782,780.28 : 5,220,229.14 = 2,063,899.80 : x - Step 2: Convert to fraction form
3,782,780.28/5,220,229.14 = 2,063,899.80/x - Step 3: Cross multiply
3,782,780.28x = 5,220,229.14 × 2,063,899.80 - Step 4: Simplify right side
3,782,780.28x = 10,774,029,878,000.17 - Step 5: Solve for x
x = 10,774,029,878,000.17/3,782,780.28 - Step 6: Final answer
x = 2,848,177.55
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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.