Finding the Fourth Proportional to 6,468,454.18, 8,926,310.32 and 3,567,782.76
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Solution
The fourth proportional to 6,468,454.18, 8,926,310.32 and 3,567,782.76 is: 4,923,453.92
Step by Step Solution
- Step 1: Write the proportion equation
6,468,454.18 : 8,926,310.32 = 3,567,782.76 : x - Step 2: Convert to fraction form
6,468,454.18/8,926,310.32 = 3,567,782.76/x - Step 3: Cross multiply
6,468,454.18x = 8,926,310.32 × 3,567,782.76 - Step 4: Simplify right side
6,468,454.18x = 31,847,136,070,106.08 - Step 5: Solve for x
x = 31,847,136,070,106.08/6,468,454.18 - Step 6: Final answer
x = 4,923,453.92
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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.