Finding the Fourth Proportional to 6,317,116.10, 8,717,620.23 and 3,416,506.98
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Solution
The fourth proportional to 6,317,116.10, 8,717,620.23 and 3,416,506.98 is: 4,714,779.63
Step by Step Solution
- Step 1: Write the proportion equation
6,317,116.10 : 8,717,620.23 = 3,416,506.98 : x - Step 2: Convert to fraction form
6,317,116.10/8,717,620.23 = 3,416,506.98/x - Step 3: Cross multiply
6,317,116.10x = 8,717,620.23 × 3,416,506.98 - Step 4: Simplify right side
6,317,116.10x = 29,783,810,332,093.13 - Step 5: Solve for x
x = 29,783,810,332,093.13/6,317,116.10 - Step 6: Final answer
x = 4,714,779.63
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1.5x scale
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.