Finding the Fourth Proportional to 4,216,143.28, 5,818,276.50 and 2,282,402.44
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Solution
The fourth proportional to 4,216,143.28, 5,818,276.50 and 2,282,402.44 is: 3,149,714.70
Step by Step Solution
- Step 1: Write the proportion equation
4,216,143.28 : 5,818,276.50 = 2,282,402.44 : x - Step 2: Convert to fraction form
4,216,143.28/5,818,276.50 = 2,282,402.44/x - Step 3: Cross multiply
4,216,143.28x = 5,818,276.50 × 2,282,402.44 - Step 4: Simplify right side
4,216,143.28x = 13,279,648,480,194.66 - Step 5: Solve for x
x = 13,279,648,480,194.66/4,216,143.28 - Step 6: Final answer
x = 3,149,714.70
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1.5x scale
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.