Finding the Fourth Proportional to 4,217,423.60, 6,324,826.79 and 1,521,396.92
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Solution
The fourth proportional to 4,217,423.60, 6,324,826.79 and 1,521,396.92 is: 2,281,623.31
Step by Step Solution
- Step 1: Write the proportion equation
4,217,423.60 : 6,324,826.79 = 1,521,396.92 : x - Step 2: Convert to fraction form
4,217,423.60/6,324,826.79 = 1,521,396.92/x - Step 3: Cross multiply
4,217,423.60x = 6,324,826.79 × 1,521,396.92 - Step 4: Simplify right side
4,217,423.60x = 9,622,572,017,455.05 - Step 5: Solve for x
x = 9,622,572,017,455.05/4,217,423.60 - Step 6: Final answer
x = 2,281,623.31
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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.