Finding the Fourth Proportional to 4,211,358.40, 6,313,927.20 and 1,685,713.60
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Solution
The fourth proportional to 4,211,358.40, 6,313,927.20 and 1,685,713.60 is: 2,527,325.38
Step by Step Solution
- Step 1: Write the proportion equation
4,211,358.40 : 6,313,927.20 = 1,685,713.60 : x - Step 2: Convert to fraction form
4,211,358.40/6,313,927.20 = 1,685,713.60/x - Step 3: Cross multiply
4,211,358.40x = 6,313,927.20 × 1,685,713.60 - Step 4: Simplify right side
4,211,358.40x = 10,643,472,950,449.92 - Step 5: Solve for x
x = 10,643,472,950,449.92/4,211,358.40 - Step 6: Final answer
x = 2,527,325.38
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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.