Finding the Fourth Proportional to 4,744,922.78, 7,117,381.74 and 1,150,689.08
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Solution
The fourth proportional to 4,744,922.78, 7,117,381.74 and 1,150,689.08 is: 1,726,033.03
Step by Step Solution
- Step 1: Write the proportion equation
4,744,922.78 : 7,117,381.74 = 1,150,689.08 : x - Step 2: Convert to fraction form
4,744,922.78/7,117,381.74 = 1,150,689.08/x - Step 3: Cross multiply
4,744,922.78x = 7,117,381.74 × 1,150,689.08 - Step 4: Simplify right side
4,744,922.78x = 8,189,893,446,409.40 - Step 5: Solve for x
x = 8,189,893,446,409.40/4,744,922.78 - Step 6: Final answer
x = 1,726,033.03
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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.