Finding the Fourth Proportional to 1,682,407.26, 2,321,710.20 and 918,460.82
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Solution
The fourth proportional to 1,682,407.26, 2,321,710.20 and 918,460.82 is: 1,267,469.48
Step by Step Solution
- Step 1: Write the proportion equation
1,682,407.26 : 2,321,710.20 = 918,460.82 : x - Step 2: Convert to fraction form
1,682,407.26/2,321,710.20 = 918,460.82/x - Step 3: Cross multiply
1,682,407.26x = 2,321,710.20 × 918,460.82 - Step 4: Simplify right side
1,682,407.26x = 2,132,399,854,094.36 - Step 5: Solve for x
x = 2,132,399,854,094.36/1,682,407.26 - Step 6: Final answer
x = 1,267,469.48
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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.