Finding the Fourth Proportional to 3,931,964.08, 5,423,315.39 and 2,624,556.95
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Solution
The fourth proportional to 3,931,964.08, 5,423,315.39 and 2,624,556.95 is: 3,620,022.92
Step by Step Solution
- Step 1: Write the proportion equation
3,931,964.08 : 5,423,315.39 = 2,624,556.95 : x - Step 2: Convert to fraction form
3,931,964.08/5,423,315.39 = 2,624,556.95/x - Step 3: Cross multiply
3,931,964.08x = 5,423,315.39 × 2,624,556.95 - Step 4: Simplify right side
3,931,964.08x = 14,233,800,098,866.46 - Step 5: Solve for x
x = 14,233,800,098,866.46/3,931,964.08 - Step 6: Final answer
x = 3,620,022.92
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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.