Finding the Fourth Proportional to 5,286,512.39, 7,295,832.81 and 2,963,367.59
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Solution
The fourth proportional to 5,286,512.39, 7,295,832.81 and 2,963,367.59 is: 4,089,697.12
Step by Step Solution
- Step 1: Write the proportion equation
5,286,512.39 : 7,295,832.81 = 2,963,367.59 : x - Step 2: Convert to fraction form
5,286,512.39/7,295,832.81 = 2,963,367.59/x - Step 3: Cross multiply
5,286,512.39x = 7,295,832.81 × 2,963,367.59 - Step 4: Simplify right side
5,286,512.39x = 21,620,234,454,733.46 - Step 5: Solve for x
x = 21,620,234,454,733.46/5,286,512.39 - Step 6: Final answer
x = 4,089,697.12
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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.