Finding the Fourth Proportional to 1,749,651.19, 2,624,476.79 and 419,955.19
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Solution
The fourth proportional to 1,749,651.19, 2,624,476.79 and 419,955.19 is: 629,932.78
Step by Step Solution
- Step 1: Write the proportion equation
1,749,651.19 : 2,624,476.79 = 419,955.19 : x - Step 2: Convert to fraction form
1,749,651.19/2,624,476.79 = 419,955.19/x - Step 3: Cross multiply
1,749,651.19x = 2,624,476.79 × 419,955.19 - Step 4: Simplify right side
1,749,651.19x = 1,102,162,643,483.74 - Step 5: Solve for x
x = 1,102,162,643,483.74/1,749,651.19 - Step 6: Final answer
x = 629,932.78
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1.5x scale
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.