Finding the Fourth Proportional to 5,433,293.75, 7,498,955.40 and 3,110,186.26
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Solution
The fourth proportional to 5,433,293.75, 7,498,955.40 and 3,110,186.26 is: 4,292,635.21
Step by Step Solution
- Step 1: Write the proportion equation
5,433,293.75 : 7,498,955.40 = 3,110,186.26 : x - Step 2: Convert to fraction form
5,433,293.75/7,498,955.40 = 3,110,186.26/x - Step 3: Cross multiply
5,433,293.75x = 7,498,955.40 × 3,110,186.26 - Step 4: Simplify right side
5,433,293.75x = 23,323,148,047,143.30 - Step 5: Solve for x
x = 23,323,148,047,143.30/5,433,293.75 - Step 6: Final answer
x = 4,292,635.21
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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.