Finding the Fourth Proportional to 5,557,497.80, 8,336,246.70 and 3,318,009.80
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Solution
The fourth proportional to 5,557,497.80, 8,336,246.70 and 3,318,009.80 is: 4,977,014.70
Step by Step Solution
- Step 1: Write the proportion equation
5,557,497.80 : 8,336,246.70 = 3,318,009.80 : x - Step 2: Convert to fraction form
5,557,497.80/8,336,246.70 = 3,318,009.80/x - Step 3: Cross multiply
5,557,497.80x = 8,336,246.70 × 3,318,009.80 - Step 4: Simplify right side
5,557,497.80x = 27,659,748,245,817.66 - Step 5: Solve for x
x = 27,659,748,245,817.66/5,557,497.80 - Step 6: Final answer
x = 4,977,014.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.