Finding the Fourth Proportional to 4,081,778.84, 5,630,970.03 and 2,631,939.95
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Solution
The fourth proportional to 4,081,778.84, 5,630,970.03 and 2,631,939.95 is: 3,630,861.83
Step by Step Solution
- Step 1: Write the proportion equation
4,081,778.84 : 5,630,970.03 = 2,631,939.95 : x - Step 2: Convert to fraction form
4,081,778.84/5,630,970.03 = 2,631,939.95/x - Step 3: Cross multiply
4,081,778.84x = 5,630,970.03 × 2,631,939.95 - Step 4: Simplify right side
4,081,778.84x = 14,820,374,979,209.70 - Step 5: Solve for x
x = 14,820,374,979,209.70/4,081,778.84 - Step 6: Final answer
x = 3,630,861.83
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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.