Finding the Fourth Proportional to 6,886,490.34, 10,336,207.36 and 3,606,199.28
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Solution
The fourth proportional to 6,886,490.34, 10,336,207.36 and 3,606,199.28 is: 5,412,687.99
Step by Step Solution
- Step 1: Write the proportion equation
6,886,490.34 : 10,336,207.36 = 3,606,199.28 : x - Step 2: Convert to fraction form
6,886,490.34/10,336,207.36 = 3,606,199.28/x - Step 3: Cross multiply
6,886,490.34x = 10,336,207.36 × 3,606,199.28 - Step 4: Simplify right side
6,886,490.34x = 37,274,423,539,562.70 - Step 5: Solve for x
x = 37,274,423,539,562.70/6,886,490.34 - Step 6: Final answer
x = 5,412,687.99
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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.