Finding the Fourth Proportional to 5,392,479.30, 8,088,718.95 and 4,187,879.70
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Solution
The fourth proportional to 5,392,479.30, 8,088,718.95 and 4,187,879.70 is: 6,281,819.55
Step by Step Solution
- Step 1: Write the proportion equation
5,392,479.30 : 8,088,718.95 = 4,187,879.70 : x - Step 2: Convert to fraction form
5,392,479.30/8,088,718.95 = 4,187,879.70/x - Step 3: Cross multiply
5,392,479.30x = 8,088,718.95 × 4,187,879.70 - Step 4: Simplify right side
5,392,479.30x = 33,874,581,889,710.32 - Step 5: Solve for x
x = 33,874,581,889,710.32/5,392,479.30 - Step 6: Final answer
x = 6,281,819.55
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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.