Finding the Fourth Proportional to 5,679,859.66, 8,513,478.78 and 4,327,564.05
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Solution
The fourth proportional to 5,679,859.66, 8,513,478.78 and 4,327,564.05 is: 6,486,537.86
Step by Step Solution
- Step 1: Write the proportion equation
5,679,859.66 : 8,513,478.78 = 4,327,564.05 : x - Step 2: Convert to fraction form
5,679,859.66/8,513,478.78 = 4,327,564.05/x - Step 3: Cross multiply
5,679,859.66x = 8,513,478.78 × 4,327,564.05 - Step 4: Simplify right side
5,679,859.66x = 36,842,624,708,765.85 - Step 5: Solve for x
x = 36,842,624,708,765.85/5,679,859.66 - Step 6: Final answer
x = 6,486,537.86
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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.