Finding the Fourth Proportional to 6,446,500.70, 9,666,423.41 and 1,896,958.26
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Solution
The fourth proportional to 6,446,500.70, 9,666,423.41 and 1,896,958.26 is: 2,844,458.19
Step by Step Solution
- Step 1: Write the proportion equation
6,446,500.70 : 9,666,423.41 = 1,896,958.26 : x - Step 2: Convert to fraction form
6,446,500.70/9,666,423.41 = 1,896,958.26/x - Step 3: Cross multiply
6,446,500.70x = 9,666,423.41 × 1,896,958.26 - Step 4: Simplify right side
6,446,500.70x = 18,336,801,722,772.07 - Step 5: Solve for x
x = 18,336,801,722,772.07/6,446,500.70 - Step 6: Final answer
x = 2,844,458.19
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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.