Finding the Fourth Proportional to 2,085,613.44, 2,878,207.20 and 1,180,176
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Solution
The fourth proportional to 2,085,613.44, 2,878,207.20 and 1,180,176 is: 1,628,677.20
Step by Step Solution
- Step 1: Write the proportion equation
2,085,613.44 : 2,878,207.20 = 1,180,176 : x - Step 2: Convert to fraction form
2,085,613.44/2,878,207.20 = 1,180,176/x - Step 3: Cross multiply
2,085,613.44x = 2,878,207.20 × 1,180,176 - Step 4: Simplify right side
2,085,613.44x = 3,396,791,060,467.20 - Step 5: Solve for x
x = 3,396,791,060,467.20/2,085,613.44 - Step 6: Final answer
x = 1,628,677.20
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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.