Finding the Fourth Proportional to 5,536,920.80, 8,296,438.80 and 3,133,618.40
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Solution
The fourth proportional to 5,536,920.80, 8,296,438.80 and 3,133,618.40 is: 4,695,366.65
Step by Step Solution
- Step 1: Write the proportion equation
5,536,920.80 : 8,296,438.80 = 3,133,618.40 : x - Step 2: Convert to fraction form
5,536,920.80/8,296,438.80 = 3,133,618.40/x - Step 3: Cross multiply
5,536,920.80x = 8,296,438.80 × 3,133,618.40 - Step 4: Simplify right side
5,536,920.80x = 25,997,873,278,153.92 - Step 5: Solve for x
x = 25,997,873,278,153.92/5,536,920.80 - Step 6: Final answer
x = 4,695,366.65
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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.