Finding the Fourth Proportional to 5,617,239.32, 7,751,746.50 and 3,038,912.12
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Solution
The fourth proportional to 5,617,239.32, 7,751,746.50 and 3,038,912.12 is: 4,193,675.05
Step by Step Solution
- Step 1: Write the proportion equation
5,617,239.32 : 7,751,746.50 = 3,038,912.12 : x - Step 2: Convert to fraction form
5,617,239.32/7,751,746.50 = 3,038,912.12/x - Step 3: Cross multiply
5,617,239.32x = 7,751,746.50 × 3,038,912.12 - Step 4: Simplify right side
5,617,239.32x = 23,556,876,390,017.58 - Step 5: Solve for x
x = 23,556,876,390,017.58/5,617,239.32 - Step 6: Final answer
x = 4,193,675.05
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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.