Finding the Fourth Proportional to 3,862,946.21, 5,800,107.38 and 2,160,425.12
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Solution
The fourth proportional to 3,862,946.21, 5,800,107.38 and 2,160,425.12 is: 3,243,818.83
Step by Step Solution
- Step 1: Write the proportion equation
3,862,946.21 : 5,800,107.38 = 2,160,425.12 : x - Step 2: Convert to fraction form
3,862,946.21/5,800,107.38 = 2,160,425.12/x - Step 3: Cross multiply
3,862,946.21x = 5,800,107.38 × 2,160,425.12 - Step 4: Simplify right side
3,862,946.21x = 12,530,697,642,646.72 - Step 5: Solve for x
x = 12,530,697,642,646.72/3,862,946.21 - Step 6: Final answer
x = 3,243,818.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.