Finding the Fourth Proportional to 6,928,850.76, 9,562,177.74 and 4,176,412.84
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Solution
The fourth proportional to 6,928,850.76, 9,562,177.74 and 4,176,412.84 is: 5,763,668.94
Step by Step Solution
- Step 1: Write the proportion equation
6,928,850.76 : 9,562,177.74 = 4,176,412.84 : x - Step 2: Convert to fraction form
6,928,850.76/9,562,177.74 = 4,176,412.84/x - Step 3: Cross multiply
6,928,850.76x = 9,562,177.74 × 4,176,412.84 - Step 4: Simplify right side
6,928,850.76x = 39,935,601,891,698.18 - Step 5: Solve for x
x = 39,935,601,891,698.18/6,928,850.76 - Step 6: Final answer
x = 5,763,668.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.