Finding the Fourth Proportional to 6,835,246.20, 10,252,869.30 and 2,790,389.70
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Solution
The fourth proportional to 6,835,246.20, 10,252,869.30 and 2,790,389.70 is: 4,185,584.55
Step by Step Solution
- Step 1: Write the proportion equation
6,835,246.20 : 10,252,869.30 = 2,790,389.70 : x - Step 2: Convert to fraction form
6,835,246.20/10,252,869.30 = 2,790,389.70/x - Step 3: Cross multiply
6,835,246.20x = 10,252,869.30 × 2,790,389.70 - Step 4: Simplify right side
6,835,246.20x = 28,609,500,890,166.21 - Step 5: Solve for x
x = 28,609,500,890,166.21/6,835,246.20 - Step 6: Final answer
x = 4,185,584.55
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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.