Finding the Fourth Proportional to 3,620,704.61, 5,431,065.12 and 1,346,727.62
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Solution
The fourth proportional to 3,620,704.61, 5,431,065.12 and 1,346,727.62 is: 2,020,094.48
Step by Step Solution
- Step 1: Write the proportion equation
3,620,704.61 : 5,431,065.12 = 1,346,727.62 : x - Step 2: Convert to fraction form
3,620,704.61/5,431,065.12 = 1,346,727.62/x - Step 3: Cross multiply
3,620,704.61x = 5,431,065.12 × 1,346,727.62 - Step 4: Simplify right side
3,620,704.61x = 7,314,165,416,700.28 - Step 5: Solve for x
x = 7,314,165,416,700.28/3,620,704.61 - Step 6: Final answer
x = 2,020,094.48
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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.