Finding the Fourth Proportional to 3,514,051.12, 5,271,163.08 and 989,689.36
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Solution
The fourth proportional to 3,514,051.12, 5,271,163.08 and 989,689.36 is: 1,484,558.37
Step by Step Solution
- Step 1: Write the proportion equation
3,514,051.12 : 5,271,163.08 = 989,689.36 : x - Step 2: Convert to fraction form
3,514,051.12/5,271,163.08 = 989,689.36/x - Step 3: Cross multiply
3,514,051.12x = 5,271,163.08 × 989,689.36 - Step 4: Simplify right side
3,514,051.12x = 5,216,814,015,100.83 - Step 5: Solve for x
x = 5,216,814,015,100.83/3,514,051.12 - Step 6: Final answer
x = 1,484,558.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.