Finding the Fourth Proportional to 5,433,284.70, 8,149,927.05 and 4,078,110.15
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Solution
The fourth proportional to 5,433,284.70, 8,149,927.05 and 4,078,110.15 is: 6,117,165.23
Step by Step Solution
- Step 1: Write the proportion equation
5,433,284.70 : 8,149,927.05 = 4,078,110.15 : x - Step 2: Convert to fraction form
5,433,284.70/8,149,927.05 = 4,078,110.15/x - Step 3: Cross multiply
5,433,284.70x = 8,149,927.05 × 4,078,110.15 - Step 4: Simplify right side
5,433,284.70x = 33,236,300,224,364.55 - Step 5: Solve for x
x = 33,236,300,224,364.55/5,433,284.70 - Step 6: Final answer
x = 6,117,165.23
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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.