Finding the Fourth Proportional to 4,276,643.11, 6,415,922.08 and 1,436,677.81
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Solution
The fourth proportional to 4,276,643.11, 6,415,922.08 and 1,436,677.81 is: 2,155,338.35
Step by Step Solution
- Step 1: Write the proportion equation
4,276,643.11 : 6,415,922.08 = 1,436,677.81 : x - Step 2: Convert to fraction form
4,276,643.11/6,415,922.08 = 1,436,677.81/x - Step 3: Cross multiply
4,276,643.11x = 6,415,922.08 × 1,436,677.81 - Step 4: Simplify right side
4,276,643.11x = 9,217,612,883,025.05 - Step 5: Solve for x
x = 9,217,612,883,025.05/4,276,643.11 - Step 6: Final answer
x = 2,155,338.35
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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.