Finding the Fourth Proportional to 3,165,813.49, 4,725,796.92 and 2,782,749.51
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Solution
The fourth proportional to 3,165,813.49, 4,725,796.92 and 2,782,749.51 is: 4,153,974.68
Step by Step Solution
- Step 1: Write the proportion equation
3,165,813.49 : 4,725,796.92 = 2,782,749.51 : x - Step 2: Convert to fraction form
3,165,813.49/4,725,796.92 = 2,782,749.51/x - Step 3: Cross multiply
3,165,813.49x = 4,725,796.92 × 2,782,749.51 - Step 4: Simplify right side
3,165,813.49x = 13,150,709,063,489.51 - Step 5: Solve for x
x = 13,150,709,063,489.51/3,165,813.49 - Step 6: Final answer
x = 4,153,974.68
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.