Finding the Fourth Proportional to 6,346,738.63, 8,756,336.41 and 4,056,220.63
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Solution
The fourth proportional to 6,346,738.63, 8,756,336.41 and 4,056,220.63 is: 5,596,202.15
Step by Step Solution
- Step 1: Write the proportion equation
6,346,738.63 : 8,756,336.41 = 4,056,220.63 : x - Step 2: Convert to fraction form
6,346,738.63/8,756,336.41 = 4,056,220.63/x - Step 3: Cross multiply
6,346,738.63x = 8,756,336.41 × 4,056,220.63 - Step 4: Simplify right side
6,346,738.63x = 35,517,632,389,462.14 - Step 5: Solve for x
x = 35,517,632,389,462.14/6,346,738.63 - Step 6: Final answer
x = 5,596,202.15
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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.