Finding the Fourth Proportional to 5,679,864.39, 8,513,485.86 and 4,327,568.79
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Solution
The fourth proportional to 5,679,864.39, 8,513,485.86 and 4,327,568.79 is: 6,486,544.95
Step by Step Solution
- Step 1: Write the proportion equation
5,679,864.39 : 8,513,485.86 = 4,327,568.79 : x - Step 2: Convert to fraction form
5,679,864.39/8,513,485.86 = 4,327,568.79/x - Step 3: Cross multiply
5,679,864.39x = 8,513,485.86 × 4,327,568.79 - Step 4: Simplify right side
5,679,864.39x = 36,842,695,701,842.30 - Step 5: Solve for x
x = 36,842,695,701,842.30/5,679,864.39 - Step 6: Final answer
x = 6,486,544.95
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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.