Finding the Fourth Proportional to 2,943,079.99, 4,061,497.65 and 1,618,556.07
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Solution
The fourth proportional to 2,943,079.99, 4,061,497.65 and 1,618,556.07 is: 2,233,633.37
Step by Step Solution
- Step 1: Write the proportion equation
2,943,079.99 : 4,061,497.65 = 1,618,556.07 : x - Step 2: Convert to fraction form
2,943,079.99/4,061,497.65 = 1,618,556.07/x - Step 3: Cross multiply
2,943,079.99x = 4,061,497.65 × 1,618,556.07 - Step 4: Simplify right side
2,943,079.99x = 6,573,761,683,859.27 - Step 5: Solve for x
x = 6,573,761,683,859.27/2,943,079.99 - Step 6: Final answer
x = 2,233,633.37
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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.