Finding the Fourth Proportional to 4,279,062.96, 5,905,757.25 and 2,730,992.58
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Solution
The fourth proportional to 4,279,062.96, 5,905,757.25 and 2,730,992.58 is: 3,769,184.84
Step by Step Solution
- Step 1: Write the proportion equation
4,279,062.96 : 5,905,757.25 = 2,730,992.58 : x - Step 2: Convert to fraction form
4,279,062.96/5,905,757.25 = 2,730,992.58/x - Step 3: Cross multiply
4,279,062.96x = 5,905,757.25 × 2,730,992.58 - Step 4: Simplify right side
4,279,062.96x = 16,128,579,229,031.21 - Step 5: Solve for x
x = 16,128,579,229,031.21/4,279,062.96 - Step 6: Final answer
x = 3,769,184.84
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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.