Finding the Fourth Proportional to 2,272,987.71, 3,136,796.24 and 1,292,901.62
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Solution
The fourth proportional to 2,272,987.71, 3,136,796.24 and 1,292,901.62 is: 1,784,245.88
Step by Step Solution
- Step 1: Write the proportion equation
2,272,987.71 : 3,136,796.24 = 1,292,901.62 : x - Step 2: Convert to fraction form
2,272,987.71/3,136,796.24 = 1,292,901.62/x - Step 3: Cross multiply
2,272,987.71x = 3,136,796.24 × 1,292,901.62 - Step 4: Simplify right side
2,272,987.71x = 4,055,568,953,714.92 - Step 5: Solve for x
x = 4,055,568,953,714.92/2,272,987.71 - Step 6: Final answer
x = 1,784,245.88
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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.