Finding the Fourth Proportional to 5,117,714.64, 7,053,090.12 and 3,395,797.20
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Solution
The fourth proportional to 5,117,714.64, 7,053,090.12 and 3,395,797.20 is: 4,679,992.02
Step by Step Solution
- Step 1: Write the proportion equation
5,117,714.64 : 7,053,090.12 = 3,395,797.20 : x - Step 2: Convert to fraction form
5,117,714.64/7,053,090.12 = 3,395,797.20/x - Step 3: Cross multiply
5,117,714.64x = 7,053,090.12 × 3,395,797.20 - Step 4: Simplify right side
5,117,714.64x = 23,950,863,680,843.66 - Step 5: Solve for x
x = 23,950,863,680,843.66/5,117,714.64 - Step 6: Final answer
x = 4,679,992.02
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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.