Finding the Fourth Proportional to 6,143,919.97, 8,481,796.93 and 4,488,207.92
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Solution
The fourth proportional to 6,143,919.97, 8,481,796.93 and 4,488,207.92 is: 6,196,055.35
Step by Step Solution
- Step 1: Write the proportion equation
6,143,919.97 : 8,481,796.93 = 4,488,207.92 : x - Step 2: Convert to fraction form
6,143,919.97/8,481,796.93 = 4,488,207.92/x - Step 3: Cross multiply
6,143,919.97x = 8,481,796.93 × 4,488,207.92 - Step 4: Simplify right side
6,143,919.97x = 38,068,068,167,041.66 - Step 5: Solve for x
x = 38,068,068,167,041.66/6,143,919.97 - Step 6: Final answer
x = 6,196,055.35
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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.