Finding the Fourth Proportional to 4,288,738.09, 6,417,027.76 and 2,553,260.04
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Solution
The fourth proportional to 4,288,738.09, 6,417,027.76 and 2,553,260.04 is: 3,820,317.35
Step by Step Solution
- Step 1: Write the proportion equation
4,288,738.09 : 6,417,027.76 = 2,553,260.04 : x - Step 2: Convert to fraction form
4,288,738.09/6,417,027.76 = 2,553,260.04/x - Step 3: Cross multiply
4,288,738.09x = 6,417,027.76 × 2,553,260.04 - Step 4: Simplify right side
4,288,738.09x = 16,384,340,555,178.71 - Step 5: Solve for x
x = 16,384,340,555,178.71/4,288,738.09 - Step 6: Final answer
x = 3,820,317.35
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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.