Finding the Fourth Proportional to 6,475,811.20, 8,936,632.64 and 3,575,207.68
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Solution
The fourth proportional to 6,475,811.20, 8,936,632.64 and 3,575,207.68 is: 4,933,793.88
Step by Step Solution
- Step 1: Write the proportion equation
6,475,811.20 : 8,936,632.64 = 3,575,207.68 : x - Step 2: Convert to fraction form
6,475,811.20/8,936,632.64 = 3,575,207.68/x - Step 3: Cross multiply
6,475,811.20x = 8,936,632.64 × 3,575,207.68 - Step 4: Simplify right side
6,475,811.20x = 31,950,317,647,866.68 - Step 5: Solve for x
x = 31,950,317,647,866.68/6,475,811.20 - Step 6: Final answer
x = 4,933,793.88
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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.