Finding the Fourth Proportional to 6,317,148.48, 8,717,664.98 and 3,416,539.40
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Solution
The fourth proportional to 6,317,148.48, 8,717,664.98 and 3,416,539.40 is: 4,714,824.41
Step by Step Solution
- Step 1: Write the proportion equation
6,317,148.48 : 8,717,664.98 = 3,416,539.40 : x - Step 2: Convert to fraction form
6,317,148.48/8,717,664.98 = 3,416,539.40/x - Step 3: Cross multiply
6,317,148.48x = 8,717,664.98 × 3,416,539.40 - Step 4: Simplify right side
6,317,148.48x = 29,784,245,880,170.21 - Step 5: Solve for x
x = 29,784,245,880,170.21/6,317,148.48 - Step 6: Final answer
x = 4,714,824.41
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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.