Finding the Fourth Proportional to 5,438,924.70, 8,164,672.65 and 2,919,500.70
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Solution
The fourth proportional to 5,438,924.70, 8,164,672.65 and 2,919,500.70 is: 4,382,625.03
Step by Step Solution
- Step 1: Write the proportion equation
5,438,924.70 : 8,164,672.65 = 2,919,500.70 : x - Step 2: Convert to fraction form
5,438,924.70/8,164,672.65 = 2,919,500.70/x - Step 3: Cross multiply
5,438,924.70x = 8,164,672.65 × 2,919,500.70 - Step 4: Simplify right side
5,438,924.70x = 23,836,767,516,945.86 - Step 5: Solve for x
x = 23,836,767,516,945.86/5,438,924.70 - Step 6: Final answer
x = 4,382,625.03
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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.