Finding the Fourth Proportional to 4,845,536.16, 6,686,755.92 and 2,808,535.20
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Solution
The fourth proportional to 4,845,536.16, 6,686,755.92 and 2,808,535.20 is: 3,875,729.90
Step by Step Solution
- Step 1: Write the proportion equation
4,845,536.16 : 6,686,755.92 = 2,808,535.20 : x - Step 2: Convert to fraction form
4,845,536.16/6,686,755.92 = 2,808,535.20/x - Step 3: Cross multiply
4,845,536.16x = 6,686,755.92 × 2,808,535.20 - Step 4: Simplify right side
4,845,536.16x = 18,779,989,375,128.39 - Step 5: Solve for x
x = 18,779,989,375,128.39/4,845,536.16 - Step 6: Final answer
x = 3,875,729.90
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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.