Finding the Fourth Proportional to 2,845,524.32, 3,926,949.36 and 1,638,689.12
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Solution
The fourth proportional to 2,845,524.32, 3,926,949.36 and 1,638,689.12 is: 2,261,463.43
Step by Step Solution
- Step 1: Write the proportion equation
2,845,524.32 : 3,926,949.36 = 1,638,689.12 : x - Step 2: Convert to fraction form
2,845,524.32/3,926,949.36 = 1,638,689.12/x - Step 3: Cross multiply
2,845,524.32x = 3,926,949.36 × 1,638,689.12 - Step 4: Simplify right side
2,845,524.32x = 6,435,049,191,022.96 - Step 5: Solve for x
x = 6,435,049,191,022.96/2,845,524.32 - Step 6: Final answer
x = 2,261,463.43
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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.