Finding the Fourth Proportional to 2,126,274.60, 3,184,163.10 and 1,412,437.80
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Solution
The fourth proportional to 2,126,274.60, 3,184,163.10 and 1,412,437.80 is: 2,115,170.04
Step by Step Solution
- Step 1: Write the proportion equation
2,126,274.60 : 3,184,163.10 = 1,412,437.80 : x - Step 2: Convert to fraction form
2,126,274.60/3,184,163.10 = 1,412,437.80/x - Step 3: Cross multiply
2,126,274.60x = 3,184,163.10 × 1,412,437.80 - Step 4: Simplify right side
2,126,274.60x = 4,497,432,323,805.18 - Step 5: Solve for x
x = 4,497,432,323,805.18/2,126,274.60 - Step 6: Final answer
x = 2,115,170.04
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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.