Finding the Fourth Proportional to 6,317,382.64, 8,717,987.76 and 3,416,773.84
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Solution
The fourth proportional to 6,317,382.64, 8,717,987.76 and 3,416,773.84 is: 4,715,147.75
Step by Step Solution
- Step 1: Write the proportion equation
6,317,382.64 : 8,717,987.76 = 3,416,773.84 : x - Step 2: Convert to fraction form
6,317,382.64/8,717,987.76 = 3,416,773.84/x - Step 3: Cross multiply
6,317,382.64x = 8,717,987.76 × 3,416,773.84 - Step 4: Simplify right side
6,317,382.64x = 29,787,392,515,808.20 - Step 5: Solve for x
x = 29,787,392,515,808.20/6,317,382.64 - Step 6: Final answer
x = 4,715,147.75
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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.