Finding the Fourth Proportional to 5,915,207.90, 8,163,011.49 and 3,198,953.90
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Solution
The fourth proportional to 5,915,207.90, 8,163,011.49 and 3,198,953.90 is: 4,414,569.68
Step by Step Solution
- Step 1: Write the proportion equation
5,915,207.90 : 8,163,011.49 = 3,198,953.90 : x - Step 2: Convert to fraction form
5,915,207.90/8,163,011.49 = 3,198,953.90/x - Step 3: Cross multiply
5,915,207.90x = 8,163,011.49 × 3,198,953.90 - Step 4: Simplify right side
5,915,207.90x = 26,113,097,400,865.25 - Step 5: Solve for x
x = 26,113,097,400,865.25/5,915,207.90 - Step 6: Final answer
x = 4,414,569.68
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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.