Finding the Fourth Proportional to 4,741,280.54, 6,542,263.57 and 2,879,728.01
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Solution
The fourth proportional to 4,741,280.54, 6,542,263.57 and 2,879,728.01 is: 3,973,597.32
Step by Step Solution
- Step 1: Write the proportion equation
4,741,280.54 : 6,542,263.57 = 2,879,728.01 : x - Step 2: Convert to fraction form
4,741,280.54/6,542,263.57 = 2,879,728.01/x - Step 3: Cross multiply
4,741,280.54x = 6,542,263.57 × 2,879,728.01 - Step 4: Simplify right side
4,741,280.54x = 18,839,939,651,331.59 - Step 5: Solve for x
x = 18,839,939,651,331.59/4,741,280.54 - Step 6: Final answer
x = 3,973,597.32
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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.