Finding the Fourth Proportional to 5,541,965.70, 8,319,169.35 and 4,285,364.10
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Solution
The fourth proportional to 5,541,965.70, 8,319,169.35 and 4,285,364.10 is: 6,432,856.43
Step by Step Solution
- Step 1: Write the proportion equation
5,541,965.70 : 8,319,169.35 = 4,285,364.10 : x - Step 2: Convert to fraction form
5,541,965.70/8,319,169.35 = 4,285,364.10/x - Step 3: Cross multiply
5,541,965.70x = 8,319,169.35 × 4,285,364.10 - Step 4: Simplify right side
5,541,965.70x = 35,650,669,674,310.33 - Step 5: Solve for x
x = 35,650,669,674,310.33/5,541,965.70 - Step 6: Final answer
x = 6,432,856.43
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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.