Finding the Fourth Proportional to 3,139,643.87, 4,702,599.62 and 2,226,057.09
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Solution
The fourth proportional to 3,139,643.87, 4,702,599.62 and 2,226,057.09 is: 3,334,217.40
Step by Step Solution
- Step 1: Write the proportion equation
3,139,643.87 : 4,702,599.62 = 2,226,057.09 : x - Step 2: Convert to fraction form
3,139,643.87/4,702,599.62 = 2,226,057.09/x - Step 3: Cross multiply
3,139,643.87x = 4,702,599.62 × 2,226,057.09 - Step 4: Simplify right side
3,139,643.87x = 10,468,255,225,532.30 - Step 5: Solve for x
x = 10,468,255,225,532.30/3,139,643.87 - Step 6: Final answer
x = 3,334,217.40
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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.