Finding the Fourth Proportional to 2,855,272.15, 3,941,157.75 and 1,836,676.99
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Solution
The fourth proportional to 2,855,272.15, 3,941,157.75 and 1,836,676.99 is: 2,535,181.72
Step by Step Solution
- Step 1: Write the proportion equation
2,855,272.15 : 3,941,157.75 = 1,836,676.99 : x - Step 2: Convert to fraction form
2,855,272.15/3,941,157.75 = 1,836,676.99/x - Step 3: Cross multiply
2,855,272.15x = 3,941,157.75 × 1,836,676.99 - Step 4: Simplify right side
2,855,272.15x = 7,238,633,753,385.17 - Step 5: Solve for x
x = 7,238,633,753,385.17/2,855,272.15 - Step 6: Final answer
x = 2,535,181.72
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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.