Finding the Fourth Proportional to 6,178,803.36, 9,268,186.50 and 1,567,780.68
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Solution
The fourth proportional to 6,178,803.36, 9,268,186.50 and 1,567,780.68 is: 2,351,666.32
Step by Step Solution
- Step 1: Write the proportion equation
6,178,803.36 : 9,268,186.50 = 1,567,780.68 : x - Step 2: Convert to fraction form
6,178,803.36/9,268,186.50 = 1,567,780.68/x - Step 3: Cross multiply
6,178,803.36x = 9,268,186.50 × 1,567,780.68 - Step 4: Simplify right side
6,178,803.36x = 14,530,483,733,336.82 - Step 5: Solve for x
x = 14,530,483,733,336.82/6,178,803.36 - Step 6: Final answer
x = 2,351,666.32
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1.5x scale
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.