Finding the Fourth Proportional to 4,257,623.74, 6,389,256.21 and 2,339,874.22
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Solution
The fourth proportional to 4,257,623.74, 6,389,256.21 and 2,339,874.22 is: 3,511,361.46
Step by Step Solution
- Step 1: Write the proportion equation
4,257,623.74 : 6,389,256.21 = 2,339,874.22 : x - Step 2: Convert to fraction form
4,257,623.74/6,389,256.21 = 2,339,874.22/x - Step 3: Cross multiply
4,257,623.74x = 6,389,256.21 × 2,339,874.22 - Step 4: Simplify right side
4,257,623.74x = 14,950,055,890,753.91 - Step 5: Solve for x
x = 14,950,055,890,753.91/4,257,623.74 - Step 6: Final answer
x = 3,511,361.46
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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.