Finding the Fourth Proportional to 4,378,367.70, 6,567,551.55 and 4,079,769.30
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Solution
The fourth proportional to 4,378,367.70, 6,567,551.55 and 4,079,769.30 is: 6,119,653.95
Step by Step Solution
- Step 1: Write the proportion equation
4,378,367.70 : 6,567,551.55 = 4,079,769.30 : x - Step 2: Convert to fraction form
4,378,367.70/6,567,551.55 = 4,079,769.30/x - Step 3: Cross multiply
4,378,367.70x = 6,567,551.55 × 4,079,769.30 - Step 4: Simplify right side
4,378,367.70x = 26,794,095,189,857.41 - Step 5: Solve for x
x = 26,794,095,189,857.41/4,378,367.70 - Step 6: Final answer
x = 6,119,653.95
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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.