Finding the Fourth Proportional to 4,278,737.52, 6,415,254.15 and 2,224,348.99
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Solution
The fourth proportional to 4,278,737.52, 6,415,254.15 and 2,224,348.99 is: 3,335,040.77
Step by Step Solution
- Step 1: Write the proportion equation
4,278,737.52 : 6,415,254.15 = 2,224,348.99 : x - Step 2: Convert to fraction form
4,278,737.52/6,415,254.15 = 2,224,348.99/x - Step 3: Cross multiply
4,278,737.52x = 6,415,254.15 × 2,224,348.99 - Step 4: Simplify right side
4,278,737.52x = 14,269,764,089,145.81 - Step 5: Solve for x
x = 14,269,764,089,145.81/4,278,737.52 - Step 6: Final answer
x = 3,335,040.77
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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.