Finding the Fourth Proportional to 4,391,520.98, 6,589,165.46 and 1,697,738.09
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Solution
The fourth proportional to 4,391,520.98, 6,589,165.46 and 1,697,738.09 is: 2,547,335.47
Step by Step Solution
- Step 1: Write the proportion equation
4,391,520.98 : 6,589,165.46 = 1,697,738.09 : x - Step 2: Convert to fraction form
4,391,520.98/6,589,165.46 = 1,697,738.09/x - Step 3: Cross multiply
4,391,520.98x = 6,589,165.46 × 1,697,738.09 - Step 4: Simplify right side
4,391,520.98x = 11,186,677,141,319.85 - Step 5: Solve for x
x = 11,186,677,141,319.85/4,391,520.98 - Step 6: Final answer
x = 2,547,335.47
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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.