Finding the Fourth Proportional to 4,232,115.70, 6,348,173.55 and 2,956,657.30
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Solution
The fourth proportional to 4,232,115.70, 6,348,173.55 and 2,956,657.30 is: 4,434,985.95
Step by Step Solution
- Step 1: Write the proportion equation
4,232,115.70 : 6,348,173.55 = 2,956,657.30 : x - Step 2: Convert to fraction form
4,232,115.70/6,348,173.55 = 2,956,657.30/x - Step 3: Cross multiply
4,232,115.70x = 6,348,173.55 × 2,956,657.30 - Step 4: Simplify right side
4,232,115.70x = 18,769,373,668,274.41 - Step 5: Solve for x
x = 18,769,373,668,274.41/4,232,115.70 - Step 6: Final answer
x = 4,434,985.95
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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.