Finding the Fourth Proportional to 4,845,790.20, 6,687,199.98 and 2,912,080.44
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Solution
The fourth proportional to 4,845,790.20, 6,687,199.98 and 2,912,080.44 is: 4,018,676.72
Step by Step Solution
- Step 1: Write the proportion equation
4,845,790.20 : 6,687,199.98 = 2,912,080.44 : x - Step 2: Convert to fraction form
4,845,790.20/6,687,199.98 = 2,912,080.44/x - Step 3: Cross multiply
4,845,790.20x = 6,687,199.98 × 2,912,080.44 - Step 4: Simplify right side
4,845,790.20x = 19,473,664,260,126.39 - Step 5: Solve for x
x = 19,473,664,260,126.39/4,845,790.20 - Step 6: Final answer
x = 4,018,676.72
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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.