Finding the Fourth Proportional to 4,163,451.21, 5,743,803.29 and 2,787,238.26
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Solution
The fourth proportional to 4,163,451.21, 5,743,803.29 and 2,787,238.26 is: 3,845,210.97
Step by Step Solution
- Step 1: Write the proportion equation
4,163,451.21 : 5,743,803.29 = 2,787,238.26 : x - Step 2: Convert to fraction form
4,163,451.21/5,743,803.29 = 2,787,238.26/x - Step 3: Cross multiply
4,163,451.21x = 5,743,803.29 × 2,787,238.26 - Step 4: Simplify right side
4,163,451.21x = 16,009,348,273,865.68 - Step 5: Solve for x
x = 16,009,348,273,865.68/4,163,451.21 - Step 6: Final answer
x = 3,845,210.97
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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.