Finding the Fourth Proportional to 2,269,362.99, 3,131,679.87 and 1,236,880.29
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Solution
The fourth proportional to 2,269,362.99, 3,131,679.87 and 1,236,880.29 is: 1,706,872.42
Step by Step Solution
- Step 1: Write the proportion equation
2,269,362.99 : 3,131,679.87 = 1,236,880.29 : x - Step 2: Convert to fraction form
2,269,362.99/3,131,679.87 = 1,236,880.29/x - Step 3: Cross multiply
2,269,362.99x = 3,131,679.87 × 1,236,880.29 - Step 4: Simplify right side
2,269,362.99x = 3,873,513,105,792.76 - Step 5: Solve for x
x = 3,873,513,105,792.76/2,269,362.99 - Step 6: Final answer
x = 1,706,872.42
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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.