Finding the Fourth Proportional to 4,141,812.44, 5,715,646.68 and 2,281,192.20
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Solution
The fourth proportional to 4,141,812.44, 5,715,646.68 and 2,281,192.20 is: 3,148,015.23
Step by Step Solution
- Step 1: Write the proportion equation
4,141,812.44 : 5,715,646.68 = 2,281,192.20 : x - Step 2: Convert to fraction form
4,141,812.44/5,715,646.68 = 2,281,192.20/x - Step 3: Cross multiply
4,141,812.44x = 5,715,646.68 × 2,281,192.20 - Step 4: Simplify right side
4,141,812.44x = 13,038,488,624,371.90 - Step 5: Solve for x
x = 13,038,488,624,371.90/4,141,812.44 - Step 6: Final answer
x = 3,148,015.23
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1.5x scale
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.