Finding the Fourth Proportional to 2,669,891.99, 4,005,024.74 and 1,321,692.61
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Solution
The fourth proportional to 2,669,891.99, 4,005,024.74 and 1,321,692.61 is: 1,982,631.36
Step by Step Solution
- Step 1: Write the proportion equation
2,669,891.99 : 4,005,024.74 = 1,321,692.61 : x - Step 2: Convert to fraction form
2,669,891.99/4,005,024.74 = 1,321,692.61/x - Step 3: Cross multiply
2,669,891.99x = 4,005,024.74 × 1,321,692.61 - Step 4: Simplify right side
2,669,891.99x = 5,293,411,578,815.22 - Step 5: Solve for x
x = 5,293,411,578,815.22/2,669,891.99 - Step 6: Final answer
x = 1,982,631.36
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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.