Finding the Fourth Proportional to 6,744,720.48, 9,307,149.12 and 3,804,375.12
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Solution
The fourth proportional to 6,744,720.48, 9,307,149.12 and 3,804,375.12 is: 5,249,718.90
Step by Step Solution
- Step 1: Write the proportion equation
6,744,720.48 : 9,307,149.12 = 3,804,375.12 : x - Step 2: Convert to fraction form
6,744,720.48/9,307,149.12 = 3,804,375.12/x - Step 3: Cross multiply
6,744,720.48x = 9,307,149.12 × 3,804,375.12 - Step 4: Simplify right side
6,744,720.48x = 35,407,886,550,257.89 - Step 5: Solve for x
x = 35,407,886,550,257.89/6,744,720.48 - Step 6: Final answer
x = 5,249,718.90
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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.