Finding the Fourth Proportional to 6,321,467.10, 8,723,624.58 and 3,420,857.97
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Solution
The fourth proportional to 6,321,467.10, 8,723,624.58 and 3,420,857.97 is: 4,720,783.99
Step by Step Solution
- Step 1: Write the proportion equation
6,321,467.10 : 8,723,624.58 = 3,420,857.97 : x - Step 2: Convert to fraction form
6,321,467.10/8,723,624.58 = 3,420,857.97/x - Step 3: Cross multiply
6,321,467.10x = 8,723,624.58 × 3,420,857.97 - Step 4: Simplify right side
6,321,467.10x = 29,842,280,671,780.91 - Step 5: Solve for x
x = 29,842,280,671,780.91/6,321,467.10 - Step 6: Final answer
x = 4,720,783.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.