Finding the Fourth Proportional to 3,995,954.51, 5,514,305.24 and 2,185,079.63
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Solution
The fourth proportional to 3,995,954.51, 5,514,305.24 and 2,185,079.63 is: 3,015,348.65
Step by Step Solution
- Step 1: Write the proportion equation
3,995,954.51 : 5,514,305.24 = 2,185,079.63 : x - Step 2: Convert to fraction form
3,995,954.51/5,514,305.24 = 2,185,079.63/x - Step 3: Cross multiply
3,995,954.51x = 5,514,305.24 × 2,185,079.63 - Step 4: Simplify right side
3,995,954.51x = 12,049,196,031,417.43 - Step 5: Solve for x
x = 12,049,196,031,417.43/3,995,954.51 - Step 6: Final answer
x = 3,015,348.65
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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.