Finding the Fourth Proportional to 4,216,155.19, 5,818,296.12 and 2,282,415.77
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Solution
The fourth proportional to 4,216,155.19, 5,818,296.12 and 2,282,415.77 is: 3,149,734.82
Step by Step Solution
- Step 1: Write the proportion equation
4,216,155.19 : 5,818,296.12 = 2,282,415.77 : x - Step 2: Convert to fraction form
4,216,155.19/5,818,296.12 = 2,282,415.77/x - Step 3: Cross multiply
4,216,155.19x = 5,818,296.12 × 2,282,415.77 - Step 4: Simplify right side
4,216,155.19x = 13,279,770,818,817.81 - Step 5: Solve for x
x = 13,279,770,818,817.81/4,216,155.19 - Step 6: Final answer
x = 3,149,734.82
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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.