Finding the Fourth Proportional to 7,118,704.11, 10,677,810.12 and 2,001,173.31
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Solution
The fourth proportional to 7,118,704.11, 10,677,810.12 and 2,001,173.31 is: 3,001,690.80
Step by Step Solution
- Step 1: Write the proportion equation
7,118,704.11 : 10,677,810.12 = 2,001,173.31 : x - Step 2: Convert to fraction form
7,118,704.11/10,677,810.12 = 2,001,173.31/x - Step 3: Cross multiply
7,118,704.11x = 10,677,810.12 × 2,001,173.31 - Step 4: Simplify right side
7,118,704.11x = 21,368,148,621,391.89 - Step 5: Solve for x
x = 21,368,148,621,391.89/7,118,704.11 - Step 6: Final answer
x = 3,001,690.80
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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.