Finding the Fourth Proportional to 4,861,206.72, 6,708,535.63 and 2,685,799.91
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Solution
The fourth proportional to 4,861,206.72, 6,708,535.63 and 2,685,799.91 is: 3,706,442.75
Step by Step Solution
- Step 1: Write the proportion equation
4,861,206.72 : 6,708,535.63 = 2,685,799.91 : x - Step 2: Convert to fraction form
4,861,206.72/6,708,535.63 = 2,685,799.91/x - Step 3: Cross multiply
4,861,206.72x = 6,708,535.63 × 2,685,799.91 - Step 4: Simplify right side
4,861,206.72x = 18,017,784,401,342.63 - Step 5: Solve for x
x = 18,017,784,401,342.63/4,861,206.72 - Step 6: Final answer
x = 3,706,442.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.