Finding the Fourth Proportional to 4,224,521.90, 6,336,520.41 and 1,345,817.54
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Solution
The fourth proportional to 4,224,521.90, 6,336,520.41 and 1,345,817.54 is: 2,018,642.70
Step by Step Solution
- Step 1: Write the proportion equation
4,224,521.90 : 6,336,520.41 = 1,345,817.54 : x - Step 2: Convert to fraction form
4,224,521.90/6,336,520.41 = 1,345,817.54/x - Step 3: Cross multiply
4,224,521.90x = 6,336,520.41 × 1,345,817.54 - Step 4: Simplify right side
4,224,521.90x = 8,527,800,310,345.99 - Step 5: Solve for x
x = 8,527,800,310,345.99/4,224,521.90 - Step 6: Final answer
x = 2,018,642.70
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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.