Finding the Fourth Proportional to 5,186,037.72, 7,156,846.44 and 2,862,924.96
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Solution
The fourth proportional to 5,186,037.72, 7,156,846.44 and 2,862,924.96 is: 3,950,899.59
Step by Step Solution
- Step 1: Write the proportion equation
5,186,037.72 : 7,156,846.44 = 2,862,924.96 : x - Step 2: Convert to fraction form
5,186,037.72/7,156,846.44 = 2,862,924.96/x - Step 3: Cross multiply
5,186,037.72x = 7,156,846.44 × 2,862,924.96 - Step 4: Simplify right side
5,186,037.72x = 20,489,514,307,963.14 - Step 5: Solve for x
x = 20,489,514,307,963.14/5,186,037.72 - Step 6: Final answer
x = 3,950,899.59
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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.