Finding the Fourth Proportional to 5,725,922.96, 7,901,709.81 and 3,112,370.48
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Solution
The fourth proportional to 5,725,922.96, 7,901,709.81 and 3,112,370.48 is: 4,295,036.54
Step by Step Solution
- Step 1: Write the proportion equation
5,725,922.96 : 7,901,709.81 = 3,112,370.48 : x - Step 2: Convert to fraction form
5,725,922.96/7,901,709.81 = 3,112,370.48/x - Step 3: Cross multiply
5,725,922.96x = 7,901,709.81 × 3,112,370.48 - Step 4: Simplify right side
5,725,922.96x = 24,593,048,314,661.86 - Step 5: Solve for x
x = 24,593,048,314,661.86/5,725,922.96 - Step 6: Final answer
x = 4,295,036.54
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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.