Finding the Fourth Proportional to 1,645,756.40, 2,270,229 and 957,350.80
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Solution
The fourth proportional to 1,645,756.40, 2,270,229 and 957,350.80 is: 1,320,611.94
Step by Step Solution
- Step 1: Write the proportion equation
1,645,756.40 : 2,270,229 = 957,350.80 : x - Step 2: Convert to fraction form
1,645,756.40/2,270,229 = 957,350.80/x - Step 3: Cross multiply
1,645,756.40x = 2,270,229 × 957,350.80 - Step 4: Simplify right side
1,645,756.40x = 2,173,405,549,333.20 - Step 5: Solve for x
x = 2,173,405,549,333.20/1,645,756.40 - Step 6: Final answer
x = 1,320,611.94
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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.