Finding the Fourth Proportional to 1,969,100.12, 2,953,649.84 and 473,192.12
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Solution
The fourth proportional to 1,969,100.12, 2,953,649.84 and 473,192.12 is: 709,788.10
Step by Step Solution
- Step 1: Write the proportion equation
1,969,100.12 : 2,953,649.84 = 473,192.12 : x - Step 2: Convert to fraction form
1,969,100.12/2,953,649.84 = 473,192.12/x - Step 3: Cross multiply
1,969,100.12x = 2,953,649.84 × 473,192.12 - Step 4: Simplify right side
1,969,100.12x = 1,397,643,829,527.26 - Step 5: Solve for x
x = 1,397,643,829,527.26/1,969,100.12 - Step 6: Final answer
x = 709,788.10
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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.