Finding the Fourth Proportional to 5,436,711.20, 8,156,233.20 and 1,650,576.80
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Solution
The fourth proportional to 5,436,711.20, 8,156,233.20 and 1,650,576.80 is: 2,476,219.32
Step by Step Solution
- Step 1: Write the proportion equation
5,436,711.20 : 8,156,233.20 = 1,650,576.80 : x - Step 2: Convert to fraction form
5,436,711.20/8,156,233.20 = 1,650,576.80/x - Step 3: Cross multiply
5,436,711.20x = 8,156,233.20 × 1,650,576.80 - Step 4: Simplify right side
5,436,711.20x = 13,462,489,295,309.76 - Step 5: Solve for x
x = 13,462,489,295,309.76/5,436,711.20 - Step 6: Final answer
x = 2,476,219.32
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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.