Finding the Fourth Proportional to 3,087,437.63, 4,260,663.92 and 1,880,213.63
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Solution
The fourth proportional to 3,087,437.63, 4,260,663.92 and 1,880,213.63 is: 2,594,694.80
Step by Step Solution
- Step 1: Write the proportion equation
3,087,437.63 : 4,260,663.92 = 1,880,213.63 : x - Step 2: Convert to fraction form
3,087,437.63/4,260,663.92 = 1,880,213.63/x - Step 3: Cross multiply
3,087,437.63x = 4,260,663.92 × 1,880,213.63 - Step 4: Simplify right side
3,087,437.63x = 8,010,958,358,630.44 - Step 5: Solve for x
x = 8,010,958,358,630.44/3,087,437.63 - Step 6: Final answer
x = 2,594,694.80
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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.