Finding the Fourth Proportional to 1,635,682.46, 2,257,083.51 and 1,206,193.82
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Solution
The fourth proportional to 1,635,682.46, 2,257,083.51 and 1,206,193.82 is: 1,664,430.75
Step by Step Solution
- Step 1: Write the proportion equation
1,635,682.46 : 2,257,083.51 = 1,206,193.82 : x - Step 2: Convert to fraction form
1,635,682.46/2,257,083.51 = 1,206,193.82/x - Step 3: Cross multiply
1,635,682.46x = 2,257,083.51 × 1,206,193.82 - Step 4: Simplify right side
1,635,682.46x = 2,722,480,180,985.91 - Step 5: Solve for x
x = 2,722,480,180,985.91/1,635,682.46 - Step 6: Final answer
x = 1,664,430.75
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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.