Finding the Fourth Proportional to 4,138,467.21, 5,711,581.92 and 2,506,826.70
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Solution
The fourth proportional to 4,138,467.21, 5,711,581.92 and 2,506,826.70 is: 3,459,722.00
Step by Step Solution
- Step 1: Write the proportion equation
4,138,467.21 : 5,711,581.92 = 2,506,826.70 : x - Step 2: Convert to fraction form
4,138,467.21/5,711,581.92 = 2,506,826.70/x - Step 3: Cross multiply
4,138,467.21x = 5,711,581.92 × 2,506,826.70 - Step 4: Simplify right side
4,138,467.21x = 14,317,946,056,293.27 - Step 5: Solve for x
x = 14,317,946,056,293.27/4,138,467.21 - Step 6: Final answer
x = 3,459,722.00
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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.